120856144 has 20 divisors (see below), whose sum is σ = 239605696. Its totient is φ = 59022432.

The previous prime is 120856139. The next prime is 120856163. The reversal of 120856144 is 441658021.

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, 87144 + ... + 88519.

Almost surely, 2^120856144 is an apocalyptic number.

It is an amenable number.

120856144 is a deficient number, since it is larger than the sum of its proper divisors (118749552).

120856144 is a wasteful number, since it uses less digits than its factorization.

120856144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175714 (or 175708 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 120856144 is about 10993.4591462378. The cubic root of 120856144 is about 494.4126543753.

The spelling of 120856144 in words is "one hundred twenty million, eight hundred fifty-six thousand, one hundred forty-four".