122972056 has 16 divisors (see below), whose sum is σ = 232689600. Its totient is φ = 60921504.

The previous prime is 122972039. The next prime is 122972081. The reversal of 122972056 is 650279221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69640 + ... + 71383.

It is an arithmetic number, because the mean of its divisors is an integer number (14543100).

Almost surely, 2^122972056 is an apocalyptic number.

It is an amenable number.

122972056 is a deficient number, since it is larger than the sum of its proper divisors (109717544).

122972056 is a wasteful number, since it uses less digits than its factorization.

122972056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141138 (or 141134 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 122972056 is about 11089.2766220345. The cubic root of 122972056 is about 497.2813190065.

The spelling of 122972056 in words is "one hundred twenty-two million, nine hundred seventy-two thousand, fifty-six".