123525125 has 16 divisors (see below), whose sum is σ = 156282672. Its totient is φ = 97459200.

The previous prime is 123525113. The next prime is 123525163. The reversal of 123525125 is 521525321.

It can be written as a sum of positive squares in 8 ways, for example, as 7941124 + 115584001 = 2818^2 + 10751^2 .

It is not a de Polignac number, because 123525125 - 2¹⁰ = 123524101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123525094 and 123525103.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2357 + ... + 15893.

It is an arithmetic number, because the mean of its divisors is an integer number (9767667).

Almost surely, 2^123525125 is an apocalyptic number.

It is an amenable number.

123525125 is a deficient number, since it is larger than the sum of its proper divisors (32757547).

123525125 is an equidigital number, since it uses as much as digits as its factorization.

123525125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13625 (or 13615 counting only the distinct ones).

The product of its digits is 3000, while the sum is 26.

The square root of 123525125 is about 11114.1857551509. The cubic root of 123525125 is about 498.0257146553.

The spelling of 123525125 in words is "one hundred twenty-three million, five hundred twenty-five thousand, one hundred twenty-five".