120115156 has 12 divisors (see below), whose sum is σ = 240230368. Its totient is φ = 51477912.

The previous prime is 120115153. The next prime is 120115157. The reversal of 120115156 is 651511021.

It is a happy number.

120115156 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120115153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2144886 + ... + 2144941.

Almost surely, 2^120115156 is an apocalyptic number.

It is an amenable number.

120115156 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

120115156 is a wasteful number, since it uses less digits than its factorization.

120115156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4289838 (or 4289836 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 22.

The square root of 120115156 is about 10959.7060179550. The cubic root of 120115156 is about 493.4001417111.

Adding to 120115156 its reverse (651511021), we get a palindrome (771626177).

The spelling of 120115156 in words is "one hundred twenty million, one hundred fifteen thousand, one hundred fifty-six".