124315893 has 54 divisors (see below), whose sum is σ = 204037314. Its totient is φ = 72850752.

The previous prime is 124315889. The next prime is 124315907. The reversal of 124315893 is 398513421.

It can be written as a sum of positive squares in 3 ways, for example, as 6441444 + 117874449 = 2538^2 + 10857^2 .

It is not a de Polignac number, because 124315893 - 2² = 124315889 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124315843) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 2644996 + ... + 2645042.

Almost surely, 2^124315893 is an apocalyptic number.

124315893 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

124315893 is a deficient number, since it is larger than the sum of its proper divisors (79721421).

124315893 is a wasteful number, since it uses less digits than its factorization.

124315893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 100 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 124315893 is about 11149.7037180366. The cubic root of 124315893 is about 499.0861882469.

The spelling of 124315893 in words is "one hundred twenty-four million, three hundred fifteen thousand, eight hundred ninety-three".