124729625 has 16 divisors (see below), whose sum is σ = 157806480. Its totient is φ = 98409600.

The previous prime is 124729613. The next prime is 124729637. The reversal of 124729625 is 526927421.

It is an interprime number because it is at equal distance from previous prime (124729613) and next prime (124729637).

It can be written as a sum of positive squares in 8 ways, for example, as 22477081 + 102252544 = 4741^2 + 10112^2 .

It is not a de Polignac number, because 124729625 - 2¹² = 124725529 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2291 + ... + 15959.

It is an arithmetic number, because the mean of its divisors is an integer number (9862905).

Almost surely, 2^124729625 is an apocalyptic number.

It is an amenable number.

124729625 is a deficient number, since it is larger than the sum of its proper divisors (33076855).

124729625 is an equidigital number, since it uses as much as digits as its factorization.

124729625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13757 (or 13747 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 124729625 is about 11168.2418043307. The cubic root of 124729625 is about 499.6392397667.

The spelling of 124729625 in words is "one hundred twenty-four million, seven hundred twenty-nine thousand, six hundred twenty-five".