122993792 has 16 divisors (see below), whose sum is σ = 245026950. Its totient is φ = 61496832.

The previous prime is 122993789. The next prime is 122993813. The reversal of 122993792 is 297399221.

It can be written as a sum of positive squares in only one way, i.e., 118897216 + 4096576 = 10904^2 + 2024^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480317 + ... + 480572.

Almost surely, 2^122993792 is an apocalyptic number.

It is an amenable number.

122993792 is a deficient number, since it is larger than the sum of its proper divisors (122033158).

122993792 is an frugal number, since it uses more digits than its factorization.

122993792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960903 (or 960891 counting only the distinct ones).

The product of its digits is 122472, while the sum is 44.

The square root of 122993792 is about 11090.2566246233. The cubic root of 122993792 is about 497.3106163670.

The spelling of 122993792 in words is "one hundred twenty-two million, nine hundred ninety-three thousand, seven hundred ninety-two".