120551156 has 36 divisors (see below), whose sum is σ = 233624160. Its totient is φ = 53979120.

The previous prime is 120551153. The next prime is 120551161. The reversal of 120551156 is 651155021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120551153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 274385 + ... + 274823.

It is an arithmetic number, because the mean of its divisors is an integer number (6489560).

Almost surely, 2^120551156 is an apocalyptic number.

It is an amenable number.

120551156 is a deficient number, since it is larger than the sum of its proper divisors (113073004).

120551156 is a wasteful number, since it uses less digits than its factorization.

120551156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612 (or 531 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 26.

The square root of 120551156 is about 10979.5790447539. The cubic root of 120551156 is about 493.9964103396.

The spelling of 120551156 in words is "one hundred twenty million, five hundred fifty-one thousand, one hundred fifty-six".