124695013 has 4 divisors (see below), whose sum is σ = 124719328. Its totient is φ = 124670700.

The previous prime is 124694987. The next prime is 124695047. The reversal of 124695013 is 310596421.

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 a de Polignac number, because none of the positive numbers 2^k-124695013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124695713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1131 + ... + 15832.

It is an arithmetic number, because the mean of its divisors is an integer number (31179832).

Almost surely, 2^124695013 is an apocalyptic number.

It is an amenable number.

124695013 is a deficient number, since it is larger than the sum of its proper divisors (24315).

124695013 is an equidigital number, since it uses as much as digits as its factorization.

124695013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24314.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 124695013 is about 11166.6921243491. The cubic root of 124695013 is about 499.5930194903.

The spelling of 124695013 in words is "one hundred twenty-four million, six hundred ninety-five thousand, thirteen".