124264531 has 2 divisors, whose sum is σ = 124264532. Its totient is φ = 124264530.

The previous prime is 124264513. The next prime is 124264571. The reversal of 124264531 is 135462421.

Together with previous prime (124264513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124264531 - 2⁵ = 124264499 is a prime.

It is a super-2 number, since 2×124264531² = 30883347329299922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 124264531.

It is not a weakly prime, because it can be changed into another prime (124264571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62132265 + 62132266.

It is an arithmetic number, because the mean of its divisors is an integer number (62132266).

Almost surely, 2^124264531 is an apocalyptic number.

124264531 is a deficient number, since it is larger than the sum of its proper divisors (1).

124264531 is an equidigital number, since it uses as much as digits as its factorization.

124264531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 28.

The square root of 124264531 is about 11147.4001901789. The cubic root of 124264531 is about 499.0174451032.

It can be divided in two parts, 1242645 and 31, that added together give a triangular number (1242676 = T₁₅₇₆).

The spelling of 124264531 in words is "one hundred twenty-four million, two hundred sixty-four thousand, five hundred thirty-one".