124319031 has 4 divisors (see below), whose sum is σ = 165758712. Its totient is φ = 82879352.

The previous prime is 124319029. The next prime is 124319051. The reversal of 124319031 is 130913421.

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 124319031 - 2¹ = 124319029 is a prime.

It is a super-2 number, since 2×124319031² = 30910442937557922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 124318992 and 124319010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124319051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20719836 + ... + 20719841.

It is an arithmetic number, because the mean of its divisors is an integer number (41439678).

Almost surely, 2^124319031 is an apocalyptic number.

124319031 is a deficient number, since it is larger than the sum of its proper divisors (41439681).

124319031 is an equidigital number, since it uses as much as digits as its factorization.

124319031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41439680.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 124319031 is about 11149.8444383767. The cubic root of 124319031 is about 499.0903875472.

The spelling of 124319031 in words is "one hundred twenty-four million, three hundred nineteen thousand, thirty-one".