122816992 has 24 divisors (see below), whose sum is σ = 242045496. Its totient is φ = 61345152.

The previous prime is 122816989. The next prime is 122817041. The reversal of 122816992 is 299618221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53043 + ... + 55309.

It is an arithmetic number, because the mean of its divisors is an integer number (10085229).

Almost surely, 2^122816992 is an apocalyptic number.

It is an amenable number.

122816992 is a deficient number, since it is larger than the sum of its proper divisors (119228504).

122816992 is a wasteful number, since it uses less digits than its factorization.

122816992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3970 (or 3962 counting only the distinct ones).

The product of its digits is 31104, while the sum is 40.

The square root of 122816992 is about 11082.2827973302. The cubic root of 122816992 is about 497.0722122468.

The spelling of 122816992 in words is "one hundred twenty-two million, eight hundred sixteen thousand, nine hundred ninety-two".