120045431 has 6 divisors (see below), whose sum is σ = 131950896. Its totient is φ = 109132100.

The previous prime is 120045403. The next prime is 120045433. The reversal of 120045431 is 134540021.

It is not a de Polignac number, because 120045431 - 2²⁶ = 52936567 is a prime.

It is a super-2 number, since 2×120045431² = 28821811007951522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120045433) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 495935 + ... + 496176.

It is an arithmetic number, because the mean of its divisors is an integer number (21991816).

Almost surely, 2^120045431 is an apocalyptic number.

120045431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

120045431 is a deficient number, since it is larger than the sum of its proper divisors (11905465).

120045431 is an equidigital number, since it uses as much as digits as its factorization.

120045431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992133 (or 992122 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 120045431 is about 10956.5245858347. The cubic root of 120045431 is about 493.3046528351.

Adding to 120045431 its reverse (134540021), we get a palindrome (254585452).

The spelling of 120045431 in words is "one hundred twenty million, forty-five thousand, four hundred thirty-one".