120451656 has 64 divisors (see below), whose sum is σ = 326491200. Its totient is φ = 36811008.

The previous prime is 120451651. The next prime is 120451663. The reversal of 120451656 is 656154021.

It is not an unprimeable number, because it can be changed into a prime (120451651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47755 + ... + 50213.

It is an arithmetic number, because the mean of its divisors is an integer number (5101425).

Almost surely, 2^120451656 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 120451656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163245600).

120451656 is an abundant number, since it is smaller than the sum of its proper divisors (206039544).

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

120451656 is a wasteful number, since it uses less digits than its factorization.

120451656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2638 (or 2634 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 120451656 is about 10975.0469702867. The cubic root of 120451656 is about 493.8604620451.

The spelling of 120451656 in words is "one hundred twenty million, four hundred fifty-one thousand, six hundred fifty-six".