124630913 has 4 divisors (see below), whose sum is σ = 135961008. Its totient is φ = 113300820.

The previous prime is 124630907. The next prime is 124630967. The reversal of 124630913 is 319036421.

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 a cyclic number.

It is not a de Polignac number, because 124630913 - 2⁴ = 124630897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124630903) 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, 5665031 + ... + 5665052.

It is an arithmetic number, because the mean of its divisors is an integer number (33990252).

Almost surely, 2^124630913 is an apocalyptic number.

It is an amenable number.

124630913 is a deficient number, since it is larger than the sum of its proper divisors (11330095).

124630913 is a wasteful number, since it uses less digits than its factorization.

124630913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11330094.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 124630913 is about 11163.8216126916. The cubic root of 124630913 is about 499.5073988476.

The spelling of 124630913 in words is "one hundred twenty-four million, six hundred thirty thousand, nine hundred thirteen".