120722156 has 24 divisors (see below), whose sum is σ = 217324800. Its totient is φ = 58644432.

The previous prime is 120722149. The next prime is 120722177. The reversal of 120722156 is 651227021.

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, 32465 + ... + 35991.

It is an arithmetic number, because the mean of its divisors is an integer number (9055200).

Almost surely, 2^120722156 is an apocalyptic number.

It is an amenable number.

120722156 is a deficient number, since it is larger than the sum of its proper divisors (96602644).

120722156 is a wasteful number, since it uses less digits than its factorization.

120722156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3773 (or 3771 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 120722156 is about 10987.3634690038. The cubic root of 120722156 is about 494.2298754759.

Adding to 120722156 its reverse (651227021), we get a palindrome (771949177).

The spelling of 120722156 in words is "one hundred twenty million, seven hundred twenty-two thousand, one hundred fifty-six".