123396925 has 12 divisors (see below), whose sum is σ = 161066080. Its totient is φ = 93521520.

The previous prime is 123396919. The next prime is 123396929. The reversal of 123396925 is 529693321.

It is not a de Polignac number, because 123396925 - 2⁵ = 123396893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123396929) 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, 129417 + ... + 130366.

Almost surely, 2^123396925 is an apocalyptic number.

It is an amenable number.

123396925 is a deficient number, since it is larger than the sum of its proper divisors (37669155).

123396925 is a wasteful number, since it uses less digits than its factorization.

123396925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259812 (or 259807 counting only the distinct ones).

The product of its digits is 87480, while the sum is 40.

The square root of 123396925 is about 11108.4168538996. The cubic root of 123396925 is about 497.8533637615.

The spelling of 123396925 in words is "one hundred twenty-three million, three hundred ninety-six thousand, nine hundred twenty-five".