120528431 has 2 divisors, whose sum is σ = 120528432. Its totient is φ = 120528430.

The previous prime is 120528427. The next prime is 120528467. The reversal of 120528431 is 134825021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120528431 - 2² = 120528427 is a prime.

It is a super-2 number, since 2×120528431² = 29054205358643522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120528431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120528481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60264215 + 60264216.

It is an arithmetic number, because the mean of its divisors is an integer number (60264216).

Almost surely, 2^120528431 is an apocalyptic number.

120528431 is a deficient number, since it is larger than the sum of its proper divisors (1).

120528431 is an equidigital number, since it uses as much as digits as its factorization.

120528431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 120528431 is about 10978.5441202374. The cubic root of 120528431 is about 493.9653674356.

The spelling of 120528431 in words is "one hundred twenty million, five hundred twenty-eight thousand, four hundred thirty-one".