122055402 has 16 divisors (see below), whose sum is σ = 278983872. Its totient is φ = 34872960.

The previous prime is 122055389. The next prime is 122055413. The reversal of 122055402 is 204550221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1452999 + ... + 1453082.

It is an arithmetic number, because the mean of its divisors is an integer number (17436492).

Almost surely, 2^122055402 is an apocalyptic number.

122055402 is an abundant number, since it is smaller than the sum of its proper divisors (156928470).

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

122055402 is a wasteful number, since it uses less digits than its factorization.

122055402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2906093.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 122055402 is about 11047.8686632309. The cubic root of 122055402 is about 496.0426304193.

The spelling of 122055402 in words is "one hundred twenty-two million, fifty-five thousand, four hundred two".