124427431 has 4 divisors (see below), whose sum is σ = 124852392. Its totient is φ = 124002472.

The previous prime is 124427419. The next prime is 124427461. The reversal of 124427431 is 134724421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 124427431 - 2⁹ = 124426919 is a prime.

It is a super-2 number, since 2×124427431² = 30964371170519522, 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 124427431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124427461) 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, 212041 + ... + 212626.

It is an arithmetic number, because the mean of its divisors is an integer number (31213098).

Almost surely, 2^124427431 is an apocalyptic number.

124427431 is a deficient number, since it is larger than the sum of its proper divisors (424961).

124427431 is an equidigital number, since it uses as much as digits as its factorization.

124427431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424960.

The product of its digits is 5376, while the sum is 28.

The square root of 124427431 is about 11154.7044335563. The cubic root of 124427431 is about 499.2354060548.

The spelling of 124427431 in words is "one hundred twenty-four million, four hundred twenty-seven thousand, four hundred thirty-one".