120122431 has 16 divisors (see below), whose sum is σ = 142537248. Its totient is φ = 99792000.

The previous prime is 120122413. The next prime is 120122441. The reversal of 120122431 is 134221021.

It is not a de Polignac number, because 120122431 - 2²¹ = 118025279 is a prime.

It is a super-2 number, since 2×120122431² = 28858796858699522, 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 (120122441) 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, 10285 + ... + 18601.

It is an arithmetic number, because the mean of its divisors is an integer number (8908578).

Almost surely, 2^120122431 is an apocalyptic number.

120122431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

120122431 is a deficient number, since it is larger than the sum of its proper divisors (22414817).

120122431 is a wasteful number, since it uses less digits than its factorization.

120122431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8442.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 120122431 is about 10960.0379105184. The cubic root of 120122431 is about 493.4101027454.

Adding to 120122431 its reverse (134221021), we get a palindrome (254343452).

It can be divided in two parts, 1201 and 22431, that added together give a palindrome (23632).

The spelling of 120122431 in words is "one hundred twenty million, one hundred twenty-two thousand, four hundred thirty-one".