123425125 has 16 divisors (see below), whose sum is σ = 154425024. Its totient is φ = 98490000.

The previous prime is 123425123. The next prime is 123425171. The reversal of 123425125 is 521524321.

It is not a de Polignac number, because 123425125 - 2¹ = 123425123 is a prime.

It is a super-2 number, since 2×123425125² = 30467522962531250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123425125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123425123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60370 + ... + 62380.

It is an arithmetic number, because the mean of its divisors is an integer number (9651564).

Almost surely, 2^123425125 is an apocalyptic number.

It is an amenable number.

123425125 is a deficient number, since it is larger than the sum of its proper divisors (30999899).

123425125 is an equidigital number, since it uses as much as digits as its factorization.

123425125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2517 (or 2507 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 123425125 is about 11109.6860891746. The cubic root of 123425125 is about 497.8912858180.

Adding to 123425125 its reverse (521524321), we get a palindrome (644949446).

The spelling of 123425125 in words is "one hundred twenty-three million, four hundred twenty-five thousand, one hundred twenty-five".