120645036 has 18 divisors (see below), whose sum is σ = 304963932. Its totient is φ = 40215000.

The previous prime is 120644987. The next prime is 120645061. The reversal of 120645036 is 630546021.

120645036 is a `hidden beast` number, since 1 + 206 + 450 + 3 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×120645036² = 29110449422882592, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1675590 + ... + 1675661.

Almost surely, 2^120645036 is an apocalyptic number.

It is an amenable number.

120645036 is an abundant number, since it is smaller than the sum of its proper divisors (184318896).

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

120645036 is a wasteful number, since it uses less digits than its factorization.

120645036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3351261 (or 3351256 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 120645036 is about 10983.8534221829. The cubic root of 120645036 is about 494.1246113764.

The spelling of 120645036 in words is "one hundred twenty million, six hundred forty-five thousand, thirty-six".