124680513 has 4 divisors (see below), whose sum is σ = 166240688. Its totient is φ = 83120340.

The previous prime is 124680503. The next prime is 124680529. The reversal of 124680513 is 315086421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 124680513 - 2⁴ = 124680497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124680503) 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, 20780083 + ... + 20780088.

It is an arithmetic number, because the mean of its divisors is an integer number (41560172).

Almost surely, 2^124680513 is an apocalyptic number.

It is an amenable number.

124680513 is a deficient number, since it is larger than the sum of its proper divisors (41560175).

124680513 is an equidigital number, since it uses as much as digits as its factorization.

124680513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41560174.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 124680513 is about 11166.0428532224. The cubic root of 124680513 is about 499.5736538947.

The spelling of 124680513 in words is "one hundred twenty-four million, six hundred eighty thousand, five hundred thirteen".