101520964 has 12 divisors (see below), whose sum is σ = 178752784. Its totient is φ = 50448744.

The previous prime is 101520953. The next prime is 101520977. The reversal of 101520964 is 469025101.

It is a super-2 number, since 2×101520964² = 20613012262978592, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77202 + ... + 78505.

Almost surely, 2^101520964 is an apocalyptic number.

It is an amenable number.

101520964 is a deficient number, since it is larger than the sum of its proper divisors (77231820).

101520964 is a wasteful number, since it uses less digits than its factorization.

101520964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155874 (or 155872 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 101520964 is about 10075.7612119383. The cubic root of 101520964 is about 466.5002824081.

The spelling of 101520964 in words is "one hundred one million, five hundred twenty thousand, nine hundred sixty-four".