120117231 has 24 divisors (see below), whose sum is σ = 187359536. Its totient is φ = 73716480.

The previous prime is 120117191. The next prime is 120117233. The reversal of 120117231 is 132711021.

It is a happy number.

It is not a de Polignac number, because 120117231 - 2⁹ = 120116719 is a prime.

It is a super-2 number, since 2×120117231² = 28856298366214722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120117233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49476 + ... + 51846.

Almost surely, 2^120117231 is an apocalyptic number.

120117231 is a deficient number, since it is larger than the sum of its proper divisors (67242305).

120117231 is a wasteful number, since it uses less digits than its factorization.

120117231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2823 (or 2820 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 120117231 is about 10959.8006824942. The cubic root of 120117231 is about 493.4029828719.

Adding to 120117231 its reverse (132711021), we get a palindrome (252828252).

The spelling of 120117231 in words is "one hundred twenty million, one hundred seventeen thousand, two hundred thirty-one".