120235231 has 4 divisors (see below), whose sum is σ = 120262072. Its totient is φ = 120208392.

The previous prime is 120235229. The next prime is 120235243. The reversal of 120235231 is 132532021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132532021 = 157 ⋅844153.

It is a cyclic number.

It is not a de Polignac number, because 120235231 - 2¹ = 120235229 is a prime.

It is a super-2 number, since 2×120235231² = 28913021547246722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120235199 and 120235208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120235631) 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, 4896 + ... + 16261.

It is an arithmetic number, because the mean of its divisors is an integer number (30065518).

Almost surely, 2^120235231 is an apocalyptic number.

120235231 is a deficient number, since it is larger than the sum of its proper divisors (26841).

120235231 is an equidigital number, since it uses as much as digits as its factorization.

120235231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26840.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 120235231 is about 10965.1826706170. The cubic root of 120235231 is about 493.5644986865.

Adding to 120235231 its reverse (132532021), we get a palindrome (252767252).

The spelling of 120235231 in words is "one hundred twenty million, two hundred thirty-five thousand, two hundred thirty-one".