120990177 has 48 divisors (see below), whose sum is σ = 221045760. Its totient is φ = 61941600.

The previous prime is 120990169. The next prime is 120990193. The reversal of 120990177 is 771099021.

It is not a de Polignac number, because 120990177 - 2³ = 120990169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120990277) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47974 + ... + 50432.

It is an arithmetic number, because the mean of its divisors is an integer number (4605120).

Almost surely, 2^120990177 is an apocalyptic number.

It is an amenable number.

120990177 is a deficient number, since it is larger than the sum of its proper divisors (100055583).

120990177 is a wasteful number, since it uses less digits than its factorization.

120990177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2554 (or 2551 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 36.

The square root of 120990177 is about 10999.5534909377. The cubic root of 120990177 is about 494.5953595503.

The spelling of 120990177 in words is "one hundred twenty million, nine hundred ninety thousand, one hundred seventy-seven".