122933728 has 12 divisors (see below), whose sum is σ = 242025840. Its totient is φ = 61466848.

The previous prime is 122933719. The next prime is 122933729. The reversal of 122933728 is 827339221.

It is a super-2 number, since 2×122933728² = 30225402959955968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122933729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1920808 + ... + 1920871.

It is an arithmetic number, because the mean of its divisors is an integer number (20168820).

Almost surely, 2^122933728 is an apocalyptic number.

It is an amenable number.

122933728 is a deficient number, since it is larger than the sum of its proper divisors (119092112).

122933728 is an equidigital number, since it uses as much as digits as its factorization.

122933728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3841689 (or 3841681 counting only the distinct ones).

The product of its digits is 36288, while the sum is 37.

The square root of 122933728 is about 11087.5483313490. The cubic root of 122933728 is about 497.2296493303.

The spelling of 122933728 in words is "one hundred twenty-two million, nine hundred thirty-three thousand, seven hundred twenty-eight".