120319956 has 36 divisors (see below), whose sum is σ = 314632500. Its totient is φ = 38723328.

The previous prime is 120319949. The next prime is 120319957. The reversal of 120319956 is 659913021.

It can be written as a sum of positive squares in 2 ways, for example, as 46703556 + 73616400 = 6834^2 + 8580^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 120319956.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120319957) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56581 + ... + 58668.

Almost surely, 2^120319956 is an apocalyptic number.

It is an amenable number.

120319956 is an abundant number, since it is smaller than the sum of its proper divisors (194312544).

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

120319956 is a wasteful number, since it uses less digits than its factorization.

120319956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115288 (or 115283 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 120319956 is about 10969.0453549979. The cubic root of 120319956 is about 493.6804032439.

The spelling of 120319956 in words is "one hundred twenty million, three hundred nineteen thousand, nine hundred fifty-six".