122 (number)
(Redirected from Number 122)
Template:Infobox number 122 (one hundred [and] twenty-two) is the natural number following 121 and preceding 123.
In mathematics
122 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.
122 is a semiprime.
φ(122) = φ(σ(122)).[1]