120816953 has 12 divisors (see below), whose sum is σ = 133063488. Its totient is φ = 109474200.

The previous prime is 120816947. The next prime is 120816979. The reversal of 120816953 is 359618021.

It is not a de Polignac number, because 120816953 - 2¹⁴ = 120800569 is a prime.

It is a super-2 number, since 2×120816953² = 29193472264408418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120816923) 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, 1028 + ... + 15578.

It is an arithmetic number, because the mean of its divisors is an integer number (11088624).

Almost surely, 2^120816953 is an apocalyptic number.

It is an amenable number.

120816953 is a deficient number, since it is larger than the sum of its proper divisors (12246535).

120816953 is a wasteful number, since it uses less digits than its factorization.

120816953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14612 (or 14593 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 120816953 is about 10991.6765327224. The cubic root of 120816953 is about 494.3592061998.

The spelling of 120816953 in words is "one hundred twenty million, eight hundred sixteen thousand, nine hundred fifty-three".