120245431 has 2 divisors, whose sum is σ = 120245432. Its totient is φ = 120245430.

The previous prime is 120245429. The next prime is 120245459. The reversal of 120245431 is 134542021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120245431 - 2¹ = 120245429 is a prime.

It is a super-2 number, since 2×120245431² = 28917927352751522, which contains 22 as substring.

Together with 120245429, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120245401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60122715 + 60122716.

It is an arithmetic number, because the mean of its divisors is an integer number (60122716).

Almost surely, 2^120245431 is an apocalyptic number.

120245431 is a deficient number, since it is larger than the sum of its proper divisors (1).

120245431 is an equidigital number, since it uses as much as digits as its factorization.

120245431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 120245431 is about 10965.6477692839. The cubic root of 120245431 is about 493.5784552601.

Adding to 120245431 its reverse (134542021), we get a palindrome (254787452).

The spelling of 120245431 in words is "one hundred twenty million, two hundred forty-five thousand, four hundred thirty-one".