120256404 has 24 divisors (see below), whose sum is σ = 284444160. Its totient is φ = 39536064.

The previous prime is 120256399. The next prime is 120256439. The reversal of 120256404 is 404652021.

It is a super-2 number, since 2×120256404² = 28923205406022432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67764 + ... + 69515.

It is an arithmetic number, because the mean of its divisors is an integer number (11851840).

Almost surely, 2^120256404 is an apocalyptic number.

It is an amenable number.

120256404 is an abundant number, since it is smaller than the sum of its proper divisors (164187756).

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

120256404 is a wasteful number, since it uses less digits than its factorization.

120256404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137359 (or 137357 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 120256404 is about 10966.1480931091. The cubic root of 120256404 is about 493.5934686418.

The spelling of 120256404 in words is "one hundred twenty million, two hundred fifty-six thousand, four hundred four".