122 (number)

122 (one hundred [and] twenty-two) is the natural number following 121 and preceding 123.

In mathematics

It is a nontotient since there is no integer with exactly 122 coprimes below it. Nor is there an integer with exactly 122 integers with common factors below it, making 122 a noncototient.

In telephony

• The fire emergency telephone number in Austria^[1]
• The police emergency telephone number in Egypt
• The traffic emergency telephone number in China
• The police emergency telephone number in Bosnia and Herzegovina

In other fields

122 is also:

• The atomic number of the chemical element unbibium
• The number of men of Michmas at the census (Bible, Nehemiah 7:31)
• The Enroute Flight Advisory Service (EFAS) "Flight watch" frequency: 122.0 MHz

See also

• List of highways numbered 122
• United Nations Security Council Resolution 122

References