120424531 has 2 divisors, whose sum is σ = 120424532. Its totient is φ = 120424530.

The previous prime is 120424483. The next prime is 120424537. The reversal of 120424531 is 135424021.

It is a strong prime.

It is an emirp because it is prime and its reverse (135424021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120424531 - 2⁹ = 120424019 is a prime.

It is a super-2 number, since 2×120424531² = 29004135333139922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120424537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60212265 + 60212266.

It is an arithmetic number, because the mean of its divisors is an integer number (60212266).

Almost surely, 2^120424531 is an apocalyptic number.

120424531 is a deficient number, since it is larger than the sum of its proper divisors (1).

120424531 is an equidigital number, since it uses as much as digits as its factorization.

120424531 is an odious number, because the sum of its binary digits is odd.

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

The square root of 120424531 is about 10973.8111428984. The cubic root of 120424531 is about 493.8233877777.

Adding to 120424531 its reverse (135424021), we get a palindrome (255848552).

The spelling of 120424531 in words is "one hundred twenty million, four hundred twenty-four thousand, five hundred thirty-one".