120556356 has 24 divisors (see below), whose sum is σ = 281981280. Its totient is φ = 40087872.

The previous prime is 120556343. The next prime is 120556357. The reversal of 120556356 is 653655021.

It is not an unprimeable number, because it can be changed into a prime (120556357) 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, 6961 + ... + 17016.

It is an arithmetic number, because the mean of its divisors is an integer number (11749220).

Almost surely, 2^120556356 is an apocalyptic number.

It is an amenable number.

120556356 is an abundant number, since it is smaller than the sum of its proper divisors (161424924).

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

120556356 is a wasteful number, since it uses less digits than its factorization.

120556356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24403 (or 24401 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 120556356 is about 10979.8158454502. The cubic root of 120556356 is about 494.0035131179.

The spelling of 120556356 in words is "one hundred twenty million, five hundred fifty-six thousand, three hundred fifty-six".