123500125 has 64 divisors (see below), whose sum is σ = 189296640. Its totient is φ = 78624000.

The previous prime is 123500107. The next prime is 123500129. The reversal of 123500125 is 521005321.

It is not a de Polignac number, because 123500125 - 2⁵ = 123500093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123500129) 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 63 ways as a sum of consecutive naturals, for example, 786547 + ... + 786703.

It is an arithmetic number, because the mean of its divisors is an integer number (2957760).

Almost surely, 2^123500125 is an apocalyptic number.

It is an amenable number.

123500125 is a deficient number, since it is larger than the sum of its proper divisors (65796515).

123500125 is a wasteful number, since it uses less digits than its factorization.

123500125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 123500125 is about 11113.0610094609. The cubic root of 123500125 is about 497.9921142496.

Adding to 123500125 its reverse (521005321), we get a palindrome (644505446).

The spelling of 123500125 in words is "one hundred twenty-three million, five hundred thousand, one hundred twenty-five".