124681625 has 8 divisors (see below), whose sum is σ = 155602824. Its totient is φ = 99745200.

The previous prime is 124681577. The next prime is 124681633. The reversal of 124681625 is 526186421.

It can be written as a sum of positive squares in 4 ways, for example, as 21780889 + 102900736 = 4667^2 + 10144^2 .

It is not a de Polignac number, because 124681625 - 2¹⁴ = 124665241 is a prime.

It is a super-2 number, since 2×124681625² = 31091015225281250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498602 + ... + 498851.

It is an arithmetic number, because the mean of its divisors is an integer number (19450353).

Almost surely, 2^124681625 is an apocalyptic number.

It is an amenable number.

124681625 is a deficient number, since it is larger than the sum of its proper divisors (30921199).

124681625 is an frugal number, since it uses more digits than its factorization.

124681625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997468 (or 997458 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 124681625 is about 11166.0926469379. The cubic root of 124681625 is about 499.5751390887.

The spelling of 124681625 in words is "one hundred twenty-four million, six hundred eighty-one thousand, six hundred twenty-five".