120556140 has 48 divisors (see below), whose sum is σ = 355326720. Its totient is φ = 30456000.

The previous prime is 120556127. The next prime is 120556169. The reversal of 120556140 is 41655021.

It is a self number, because there is not a number n which added to its sum of digits gives 120556140.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51736 + ... + 54015.

It is an arithmetic number, because the mean of its divisors is an integer number (7402640).

Almost surely, 2^120556140 is an apocalyptic number.

120556140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120556140 is an abundant number, since it is smaller than the sum of its proper divisors (234770580).

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

120556140 is a wasteful number, since it uses less digits than its factorization.

120556140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105782 (or 105780 counting only the distinct ones).

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

The square root of 120556140 is about 10979.8060092153. The cubic root of 120556140 is about 494.0032180835.

The spelling of 120556140 in words is "one hundred twenty million, five hundred fifty-six thousand, one hundred forty".