120899408 has 40 divisors (see below), whose sum is σ = 279351168. Its totient is φ = 49560192.

The previous prime is 120899399. The next prime is 120899417. The reversal of 120899408 is 804998021.

It is an interprime number because it is at equal distance from previous prime (120899399) and next prime (120899417).

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, 20891 + ... + 26042.

Almost surely, 2^120899408 is an apocalyptic number.

It is an amenable number.

120899408 is an abundant number, since it is smaller than the sum of its proper divisors (158451760).

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

120899408 is a wasteful number, since it uses less digits than its factorization.

120899408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46971 (or 46965 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 120899408 is about 10995.4266856725. The cubic root of 120899408 is about 494.4716438385.

The spelling of 120899408 in words is "one hundred twenty million, eight hundred ninety-nine thousand, four hundred eight".