120132231 has 16 divisors (see below), whose sum is σ = 170922240. Its totient is φ = 74831040.

The previous prime is 120132227. The next prime is 120132247. The reversal of 120132231 is 132231021.

It is not a de Polignac number, because 120132231 - 2² = 120132227 is a prime.

It is a super-2 number, since 2×120132231² = 28863505850074722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120132231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120132211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10275 + ... + 18596.

It is an arithmetic number, because the mean of its divisors is an integer number (10682640).

Almost surely, 2^120132231 is an apocalyptic number.

120132231 is a deficient number, since it is larger than the sum of its proper divisors (50790009).

120132231 is a wasteful number, since it uses less digits than its factorization.

120132231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28966.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 120132231 is about 10960.4849801457. The cubic root of 120132231 is about 493.4235204101.

Adding to 120132231 its reverse (132231021), we get a palindrome (252363252).

The spelling of 120132231 in words is "one hundred twenty million, one hundred thirty-two thousand, two hundred thirty-one".