120413231 has 4 divisors (see below), whose sum is σ = 122109264. Its totient is φ = 118717200.

The previous prime is 120413221. The next prime is 120413233. The reversal of 120413231 is 132314021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120413231 is a prime.

It is a super-2 number, since 2×120413231² = 28998692399718722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120413233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 847910 + ... + 848051.

It is an arithmetic number, because the mean of its divisors is an integer number (30527316).

Almost surely, 2^120413231 is an apocalyptic number.

120413231 is a deficient number, since it is larger than the sum of its proper divisors (1696033).

120413231 is an equidigital number, since it uses as much as digits as its factorization.

120413231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696032.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 120413231 is about 10973.2962686697. The cubic root of 120413231 is about 493.8079413710.

Adding to 120413231 its reverse (132314021), we get a palindrome (252727252).

The spelling of 120413231 in words is "one hundred twenty million, four hundred thirteen thousand, two hundred thirty-one".