124825825 has 12 divisors (see below), whose sum is σ = 157323388. Its totient is φ = 98222400.

The previous prime is 124825823. The next prime is 124825837. The reversal of 124825825 is 528528421.

It can be written as a sum of positive squares in 6 ways, for example, as 4857616 + 119968209 = 2204^2 + 10953^2 .

It is not a de Polignac number, because 124825825 - 2¹ = 124825823 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124825823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39402 + ... + 42451.

Almost surely, 2^124825825 is an apocalyptic number.

It is an amenable number.

124825825 is a deficient number, since it is larger than the sum of its proper divisors (32497563).

124825825 is an equidigital number, since it uses as much as digits as its factorization.

124825825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81924 (or 81919 counting only the distinct ones).

The product of its digits is 51200, while the sum is 37.

The square root of 124825825 is about 11172.5478293897. The cubic root of 124825825 is about 499.7676587184.

The spelling of 124825825 in words is "one hundred twenty-four million, eight hundred twenty-five thousand, eight hundred twenty-five".