122790924 has 48 divisors (see below), whose sum is σ = 319334400. Its totient is φ = 40803408.

The previous prime is 122790923. The next prime is 122790961. The reversal of 122790924 is 429097221.

It is a super-2 number, since 2×122790924² = 30155222033547552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (122790923) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 37189 + ... + 40355.

It is an arithmetic number, because the mean of its divisors is an integer number (6652800).

Almost surely, 2^122790924 is an apocalyptic number.

It is an amenable number.

122790924 is an abundant number, since it is smaller than the sum of its proper divisors (196543476).

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

122790924 is a wasteful number, since it uses less digits than its factorization.

122790924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3539 (or 3531 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 122790924 is about 11081.1066234379. The cubic root of 122790924 is about 497.0370417733.

The spelling of 122790924 in words is "one hundred twenty-two million, seven hundred ninety thousand, nine hundred twenty-four".