124631 has 4 divisors (see below), whose sum is σ = 134232. Its totient is φ = 115032.

The previous prime is 124601. The next prime is 124633. The reversal of 124631 is 136421.

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 124631 - 2⁶ = 124567 is a prime.

It is a super-2 number, since 2×124631² = 31065772322, which contains 22 as substring.

It is a d-powerful number, because it can be written as 1 + 2³ + 6² + 4⁸ + 3¹⁰ + 1 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124633) 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, 4781 + ... + 4806.

It is an arithmetic number, because the mean of its divisors is an integer number (33558).

2¹²⁴⁶³¹ is an apocalyptic number.

124631 is a deficient number, since it is larger than the sum of its proper divisors (9601).

124631 is an equidigital number, since it uses as much as digits as its factorization.

124631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9600.

The product of its digits is 144, while the sum is 17.

The square root of 124631 is about 353.0311600978. The cubic root of 124631 is about 49.9507515076.

The spelling of 124631 in words is "one hundred twenty-four thousand, six hundred thirty-one".