120552939 has 18 divisors (see below), whose sum is σ = 188559540. Its totient is φ = 74185488.

The previous prime is 120552931. The next prime is 120552947. The reversal of 120552939 is 939255021.

It is a happy number.

120552939 is a `hidden beast` number, since 12 + 0 + 552 + 93 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (120552931) and next prime (120552947).

It is not a de Polignac number, because 120552939 - 2³ = 120552931 is a prime.

It is a super-2 number, since 2×120552939² = 29066022203075442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120552931) 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, 38109 + ... + 41150.

It is an arithmetic number, because the mean of its divisors is an integer number (10475530).

Almost surely, 2^120552939 is an apocalyptic number.

120552939 is a deficient number, since it is larger than the sum of its proper divisors (68006601).

120552939 is a wasteful number, since it uses less digits than its factorization.

120552939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79291 (or 79275 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 120552939 is about 10979.6602406450. The cubic root of 120552939 is about 493.9988457960.

The spelling of 120552939 in words is "one hundred twenty million, five hundred fifty-two thousand, nine hundred thirty-nine".