120133656 has 96 divisors (see below), whose sum is σ = 345524400. Its totient is φ = 37601280.

The previous prime is 120133639. The next prime is 120133687. The reversal of 120133656 is 656331021.

120133656 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 3 + 3 + 656 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187096 + ... + 187736.

Almost surely, 2^120133656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120133656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172762200).

120133656 is an abundant number, since it is smaller than the sum of its proper divisors (225390744).

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

120133656 is a wasteful number, since it uses less digits than its factorization.

120133656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809 (or 802 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 120133656 is about 10960.5499862005. The cubic root of 120133656 is about 493.4254713873.

Adding to 120133656 its reverse (656331021), we get a palindrome (776464677).

The spelling of 120133656 in words is "one hundred twenty million, one hundred thirty-three thousand, six hundred fifty-six".