124290031 has 4 divisors (see below), whose sum is σ = 124324200. Its totient is φ = 124255864.

The previous prime is 124290017. The next prime is 124290053. The reversal of 124290031 is 130092421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130092421 = 9337 ⋅13933.

It is a cyclic number.

It is not a de Polignac number, because 124290031 - 2¹¹ = 124287983 is a prime.

It is a super-2 number, since 2×124290031² = 30896023611961922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124289984 and 124290011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124291031) 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, 10876 + ... + 19153.

It is an arithmetic number, because the mean of its divisors is an integer number (31081050).

Almost surely, 2^124290031 is an apocalyptic number.

124290031 is a deficient number, since it is larger than the sum of its proper divisors (34169).

124290031 is an equidigital number, since it uses as much as digits as its factorization.

124290031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34168.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 124290031 is about 11148.5438959534. The cubic root of 124290031 is about 499.0515767910.

The spelling of 124290031 in words is "one hundred twenty-four million, two hundred ninety thousand, thirty-one".