64120959 has 18 divisors (see below), whose sum is σ = 107741400. Its totient is φ = 36640296.

The previous prime is 64120949. The next prime is 64120967. The reversal of 64120959 is 95902146.

64120959 is a `hidden beast` number, since 641 + 2 + 0 + 9 + 5 + 9 = 666.

It is not a de Polignac number, because 64120959 - 2¹² = 64116863 is a prime.

It is a super-2 number, since 2×64120959² = 8222994766159362, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64120909) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 72259 + ... + 73140.

Almost surely, 2^64120959 is an apocalyptic number.

64120959 is a deficient number, since it is larger than the sum of its proper divisors (43620441).

64120959 is a wasteful number, since it uses less digits than its factorization.

64120959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145419 (or 145409 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 64120959 is about 8007.5563688306. The cubic root of 64120959 is about 400.2518393258.

The spelling of 64120959 in words is "sixty-four million, one hundred twenty thousand, nine hundred fifty-nine".