120631896 has 128 divisors (see below), whose sum is σ = 417830400. Its totient is φ = 31328640.

The previous prime is 120631891. The next prime is 120631913. The reversal of 120631896 is 698136021.

120631896 is a `hidden beast` number, since 12 + 0 + 631 + 8 + 9 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 120631896.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120631891) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13006 + ... + 20258.

It is an arithmetic number, because the mean of its divisors is an integer number (3264300).

Almost surely, 2^120631896 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 120631896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208915200).

120631896 is an abundant number, since it is smaller than the sum of its proper divisors (297198504).

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

120631896 is a wasteful number, since it uses less digits than its factorization.

120631896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7286 (or 7276 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 120631896 is about 10983.2552551600. The cubic root of 120631896 is about 494.1066716050.

The spelling of 120631896 in words is "one hundred twenty million, six hundred thirty-one thousand, eight hundred ninety-six".