120045931 has 2 divisors, whose sum is σ = 120045932. Its totient is φ = 120045930.

The previous prime is 120045907. The next prime is 120045949. The reversal of 120045931 is 139540021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120045931 - 2⁵ = 120045899 is a prime.

It is a super-2 number, since 2×120045931² = 28822051099313522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120045896 and 120045905.

It is not a weakly prime, because it can be changed into another prime (120040931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60022965 + 60022966.

It is an arithmetic number, because the mean of its divisors is an integer number (60022966).

Almost surely, 2^120045931 is an apocalyptic number.

120045931 is a deficient number, since it is larger than the sum of its proper divisors (1).

120045931 is an equidigital number, since it uses as much as digits as its factorization.

120045931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 120045931 is about 10956.5474032653. The cubic root of 120045931 is about 493.3053377202.

Adding to 120045931 its reverse (139540021), we get a palindrome (259585952).

The spelling of 120045931 in words is "one hundred twenty million, forty-five thousand, nine hundred thirty-one".