122831902 has 8 divisors (see below), whose sum is σ = 195086016. Its totient is φ = 57803232.

The previous prime is 122831893. The next prime is 122831921. The reversal of 122831902 is 209138221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×122831902² = 30175352297875208, which contains 22 as substring.

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, 1806318 + ... + 1806385.

It is an arithmetic number, because the mean of its divisors is an integer number (24385752).

Almost surely, 2^122831902 is an apocalyptic number.

122831902 is a deficient number, since it is larger than the sum of its proper divisors (72254114).

122831902 is a wasteful number, since it uses less digits than its factorization.

122831902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3612722.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 122831902 is about 11082.9554722556. The cubic root of 122831902 is about 497.0923263116.

It can be divided in two parts, 1 and 22831902, that added together give a triangular number (22831903 = T₆₇₅₇).

The spelling of 122831902 in words is "one hundred twenty-two million, eight hundred thirty-one thousand, nine hundred two".