124426531 has 4 divisors (see below), whose sum is σ = 127073952. Its totient is φ = 121779112.

The previous prime is 124426517. The next prime is 124426537. The reversal of 124426531 is 135624421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 135624421 = 59 ⋅2298719.

It is a cyclic number.

It is not a de Polignac number, because 124426531 - 2⁷ = 124426403 is a prime.

It is a super-2 number, since 2×124426531² = 30963923233387922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124426531.

It is not an unprimeable number, because it can be changed into a prime (124426537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1323640 + ... + 1323733.

It is an arithmetic number, because the mean of its divisors is an integer number (31768488).

Almost surely, 2^124426531 is an apocalyptic number.

124426531 is a deficient number, since it is larger than the sum of its proper divisors (2647421).

124426531 is an equidigital number, since it uses as much as digits as its factorization.

124426531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2647420.

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

The square root of 124426531 is about 11154.6640917600. The cubic root of 124426531 is about 499.2342023735.

The spelling of 124426531 in words is "one hundred twenty-four million, four hundred twenty-six thousand, five hundred thirty-one".