124317513 has 12 divisors (see below), whose sum is σ = 189021040. Its totient is φ = 78516216.

The previous prime is 124317509. The next prime is 124317527. The reversal of 124317513 is 315713421.

It is not a de Polignac number, because 124317513 - 2² = 124317509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124317503) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 363331 + ... + 363672.

Almost surely, 2^124317513 is an apocalyptic number.

It is an amenable number.

124317513 is a deficient number, since it is larger than the sum of its proper divisors (64703527).

124317513 is a wasteful number, since it uses less digits than its factorization.

124317513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727028 (or 727025 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 124317513 is about 11149.7763654703. The cubic root of 124317513 is about 499.0883561545.

The spelling of 124317513 in words is "one hundred twenty-four million, three hundred seventeen thousand, five hundred thirteen".