123487725 has 24 divisors (see below), whose sum is σ = 210756352. Its totient is φ = 63734400.

The previous prime is 123487723. The next prime is 123487747. The reversal of 123487725 is 527784321.

It is not a de Polignac number, because 123487725 - 2¹ = 123487723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123487723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24232 + ... + 28881.

Almost surely, 2^123487725 is an apocalyptic number.

123487725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123487725 is a deficient number, since it is larger than the sum of its proper divisors (87268627).

123487725 is a wasteful number, since it uses less digits than its factorization.

123487725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53157 (or 53152 counting only the distinct ones).

The product of its digits is 94080, while the sum is 39.

The square root of 123487725 is about 11112.5030933629. The cubic root of 123487725 is about 497.9754467661.

The spelling of 123487725 in words is "one hundred twenty-three million, four hundred eighty-seven thousand, seven hundred twenty-five".