120929531 has 2 divisors, whose sum is σ = 120929532. Its totient is φ = 120929530.

The previous prime is 120929521. The next prime is 120929533. The reversal of 120929531 is 135929021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120929531 - 2⁶ = 120929467 is a prime.

It is a super-2 number, since 2×120929531² = 29247902935759922, which contains 22 as substring.

Together with 120929533, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120929533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60464765 + 60464766.

It is an arithmetic number, because the mean of its divisors is an integer number (60464766).

Almost surely, 2^120929531 is an apocalyptic number.

120929531 is a deficient number, since it is larger than the sum of its proper divisors (1).

120929531 is an equidigital number, since it uses as much as digits as its factorization.

120929531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 120929531 is about 10996.7963971331. The cubic root of 120929531 is about 494.5127075422.

The spelling of 120929531 in words is "one hundred twenty million, nine hundred twenty-nine thousand, five hundred thirty-one".