124994857 has 8 divisors (see below), whose sum is σ = 140462784. Its totient is φ = 110363088.

The previous prime is 124994839. The next prime is 124994921. The reversal of 124994857 is 758499421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 124994857 - 2⁷ = 124994729 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124994857.

It is not an unprimeable number, because it can be changed into a prime (124994257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208723 + ... + 209320.

It is an arithmetic number, because the mean of its divisors is an integer number (17557848).

Almost surely, 2^124994857 is an apocalyptic number.

It is an amenable number.

124994857 is a deficient number, since it is larger than the sum of its proper divisors (15467927).

124994857 is a wasteful number, since it uses less digits than its factorization.

124994857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418079.

The product of its digits is 725760, while the sum is 49.

The square root of 124994857 is about 11180.1098831809. The cubic root of 124994857 is about 499.9931425726.

The spelling of 124994857 in words is "one hundred twenty-four million, nine hundred ninety-four thousand, eight hundred fifty-seven".