122157474 has 16 divisors (see below), whose sum is σ = 248925312. Its totient is φ = 39950768.

The previous prime is 122157419. The next prime is 122157493. The reversal of 122157474 is 474751221.

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, 191754 + ... + 192389.

It is an arithmetic number, because the mean of its divisors is an integer number (15557832).

Almost surely, 2^122157474 is an apocalyptic number.

122157474 is an abundant number, since it is smaller than the sum of its proper divisors (126767838).

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

122157474 is a wasteful number, since it uses less digits than its factorization.

122157474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384201.

The product of its digits is 15680, while the sum is 33.

The square root of 122157474 is about 11052.4872313882. The cubic root of 122157474 is about 496.1808680692.

The spelling of 122157474 in words is "one hundred twenty-two million, one hundred fifty-seven thousand, four hundred seventy-four".