120897556 has 12 divisors (see below), whose sum is σ = 227845492. Its totient is φ = 55798848.

The previous prime is 120897541. The next prime is 120897577. The reversal of 120897556 is 655798021.

It can be written as a sum of positive squares in 2 ways, for example, as 68624656 + 52272900 = 8284^2 + 7230^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1162425 + ... + 1162528.

Almost surely, 2^120897556 is an apocalyptic number.

It is an amenable number.

120897556 is a deficient number, since it is larger than the sum of its proper divisors (106947936).

120897556 is a wasteful number, since it uses less digits than its factorization.

120897556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2324970 (or 2324968 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 43.

The square root of 120897556 is about 10995.3424685182. The cubic root of 120897556 is about 494.4691189676.

The spelling of 120897556 in words is "one hundred twenty million, eight hundred ninety-seven thousand, five hundred fifty-six".