122959992 has 32 divisors (see below), whose sum is σ = 307676880. Its totient is φ = 40949760.

The previous prime is 122959961. The next prime is 122960009. The reversal of 122959992 is 299959221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43288 + ... + 46040.

Almost surely, 2^122959992 is an apocalyptic number.

122959992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122959992 is an abundant number, since it is smaller than the sum of its proper divisors (184716888).

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

122959992 is a wasteful number, since it uses less digits than its factorization.

122959992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4623 (or 4619 counting only the distinct ones).

The product of its digits is 262440, while the sum is 48.

The square root of 122959992 is about 11088.7326597768. The cubic root of 122959992 is about 497.2650567807.

The spelling of 122959992 in words is "one hundred twenty-two million, nine hundred fifty-nine thousand, nine hundred ninety-two".