122942992 has 30 divisors (see below), whose sum is σ = 240501534. Its totient is φ = 60883200.

The previous prime is 122942959. The next prime is 122943011. The reversal of 122942992 is 299249221.

It can be written as a sum of positive squares in only one way, i.e., 93392896 + 29550096 = 9664^2 + 5436^2 .

It is a super-2 number, since 2×122942992² = 30229958563824128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 364648 + ... + 364984.

Almost surely, 2^122942992 is an apocalyptic number.

It is an amenable number.

122942992 is a deficient number, since it is larger than the sum of its proper divisors (117558542).

122942992 is an equidigital number, since it uses as much as digits as its factorization.

122942992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647 (or 490 counting only the distinct ones).

The product of its digits is 46656, while the sum is 40.

The square root of 122942992 is about 11087.9660894142. The cubic root of 122942992 is about 497.2421390402.

The spelling of 122942992 in words is "one hundred twenty-two million, nine hundred forty-two thousand, nine hundred ninety-two".