120252156 has 24 divisors (see below), whose sum is σ = 281406720. Its totient is φ = 39967152.

The previous prime is 120252151. The next prime is 120252173. The reversal of 120252156 is 651252021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120252151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10276 + ... + 18603.

It is an arithmetic number, because the mean of its divisors is an integer number (11725280).

Almost surely, 2^120252156 is an apocalyptic number.

It is an amenable number.

120252156 is an abundant number, since it is smaller than the sum of its proper divisors (161154564).

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

120252156 is a wasteful number, since it uses less digits than its factorization.

120252156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29233 (or 29231 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 120252156 is about 10965.9544044283. The cubic root of 120252156 is about 493.5876565889.

The spelling of 120252156 in words is "one hundred twenty million, two hundred fifty-two thousand, one hundred fifty-six".