120133231 has 2 divisors, whose sum is σ = 120133232. Its totient is φ = 120133230.

The previous prime is 120133193. The next prime is 120133241. The reversal of 120133231 is 132331021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120133231 - 2²⁵ = 86578799 is a prime.

It is a super-2 number, since 2×120133231² = 28863986380998722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120133241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60066615 + 60066616.

It is an arithmetic number, because the mean of its divisors is an integer number (60066616).

Almost surely, 2^120133231 is an apocalyptic number.

120133231 is a deficient number, since it is larger than the sum of its proper divisors (1).

120133231 is an equidigital number, since it uses as much as digits as its factorization.

120133231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 120133231 is about 10960.5305984701. The cubic root of 120133231 is about 493.4248895186.

Adding to 120133231 its reverse (132331021), we get a palindrome (252464252).

The spelling of 120133231 in words is "one hundred twenty million, one hundred thirty-three thousand, two hundred thirty-one".