124123825 has 12 divisors (see below), whose sum is σ = 175901440. Its totient is φ = 85113360.

The previous prime is 124123793. The next prime is 124123829. The reversal of 124123825 is 528321421.

It is not a de Polignac number, because 124123825 - 2⁵ = 124123793 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124123793 and 124123802.

It is not an unprimeable number, because it can be changed into a prime (124123829) 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 11 ways as a sum of consecutive naturals, for example, 354465 + ... + 354814.

Almost surely, 2^124123825 is an apocalyptic number.

It is an amenable number.

124123825 is a deficient number, since it is larger than the sum of its proper divisors (51777615).

124123825 is an equidigital number, since it uses as much as digits as its factorization.

124123825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709296 (or 709291 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 124123825 is about 11141.0872449685. The cubic root of 124123825 is about 498.8290264494.

The spelling of 124123825 in words is "one hundred twenty-four million, one hundred twenty-three thousand, eight hundred twenty-five".