120144631 has 2 divisors, whose sum is σ = 120144632. Its totient is φ = 120144630.

The previous prime is 120144611. The next prime is 120144677. The reversal of 120144631 is 136441021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120144631 - 2⁷ = 120144503 is a prime.

It is a super-2 number, since 2×120144631² = 28869464716252322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120144611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60072315 + 60072316.

It is an arithmetic number, because the mean of its divisors is an integer number (60072316).

Almost surely, 2^120144631 is an apocalyptic number.

120144631 is a deficient number, since it is larger than the sum of its proper divisors (1).

120144631 is an equidigital number, since it uses as much as digits as its factorization.

120144631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 120144631 is about 10961.0506339493. The cubic root of 120144631 is about 493.4404968177.

Adding to 120144631 its reverse (136441021), we get a palindrome (256585652).

The spelling of 120144631 in words is "one hundred twenty million, one hundred forty-four thousand, six hundred thirty-one".