120155136 has 44 divisors (see below), whose sum is σ = 320265432. Its totient is φ = 40050688.

The previous prime is 120155117. The next prime is 120155173. The reversal of 120155136 is 631551021.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16485 + ... + 22628.

Almost surely, 2^120155136 is an apocalyptic number.

120155136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

120155136 is an abundant number, since it is smaller than the sum of its proper divisors (200110296).

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

120155136 is an equidigital number, since it uses as much as digits as its factorization.

120155136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39136 (or 39118 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 120155136 is about 10961.5298202395. The cubic root of 120155136 is about 493.4548779329.

The spelling of 120155136 in words is "one hundred twenty million, one hundred fifty-five thousand, one hundred thirty-six".