120355656 has 16 divisors (see below), whose sum is σ = 300889200. Its totient is φ = 40118544.

The previous prime is 120355649. The next prime is 120355657. The reversal of 120355656 is 656553021.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (120355657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2507386 + ... + 2507433.

It is an arithmetic number, because the mean of its divisors is an integer number (18805575).

Almost surely, 2^120355656 is an apocalyptic number.

It is an amenable number.

120355656 is an abundant number, since it is smaller than the sum of its proper divisors (180533544).

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

120355656 is a wasteful number, since it uses less digits than its factorization.

120355656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5014828 (or 5014824 counting only the distinct ones).

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

The square root of 120355656 is about 10970.6725409156. The cubic root of 120355656 is about 493.7292248696.

The spelling of 120355656 in words is "one hundred twenty million, three hundred fifty-five thousand, six hundred fifty-six".