156261120 has 72 divisors (see below), whose sum is σ = 499071216. Its totient is φ = 41668608.

The previous prime is 156261113. The next prime is 156261121. The reversal of 156261120 is 21162651.

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

It is not an unprimeable number, because it can be changed into a prime (156261121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16507 + ... + 24186.

Almost surely, 2^156261120 is an apocalyptic number.

156261120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156261120 is an abundant number, since it is smaller than the sum of its proper divisors (342810096).

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

156261120 is an equidigital number, since it uses as much as digits as its factorization.

156261120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40717 (or 40703 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 156261120 is about 12500.4447920864. Note that the first 3 decimals coincide. The cubic root of 156261120 is about 538.6214494389.

The spelling of 156261120 in words is "one hundred fifty-six million, two hundred sixty-one thousand, one hundred twenty".