120771156 has 48 divisors (see below), whose sum is σ = 308306880. Its totient is φ = 36491520.

The previous prime is 120771143. The next prime is 120771173. The reversal of 120771156 is 651177021.

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 15 ways as a sum of consecutive naturals, for example, 52870 + ... + 55106.

It is an arithmetic number, because the mean of its divisors is an integer number (6423060).

Almost surely, 2^120771156 is an apocalyptic number.

It is an amenable number.

120771156 is an abundant number, since it is smaller than the sum of its proper divisors (187535724).

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

120771156 is a wasteful number, since it uses less digits than its factorization.

120771156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664 (or 2662 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 30.

The square root of 120771156 is about 10989.5930770889. The cubic root of 120771156 is about 494.2967342004.

The spelling of 120771156 in words is "one hundred twenty million, seven hundred seventy-one thousand, one hundred fifty-six".