122955942 has 16 divisors (see below), whose sum is σ = 246150000. Its totient is φ = 40945632.

The previous prime is 122955929. The next prime is 122955949. The reversal of 122955942 is 249559221.

It is a self number, because there is not a number n which added to its sum of digits gives 122955942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122955949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2817 + ... + 15932.

It is an arithmetic number, because the mean of its divisors is an integer number (15384375).

Almost surely, 2^122955942 is an apocalyptic number.

122955942 is an abundant number, since it is smaller than the sum of its proper divisors (123194058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122955942 is a wasteful number, since it uses less digits than its factorization.

122955942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19847.

The product of its digits is 64800, while the sum is 39.

The square root of 122955942 is about 11088.5500404697. The cubic root of 122955942 is about 497.2595971577.

The spelling of 122955942 in words is "one hundred twenty-two million, nine hundred fifty-five thousand, nine hundred forty-two".