125685 has 48 divisors (see below), whose sum is σ = 273600. Its totient is φ = 54432.

The previous prime is 125683. The next prime is 125687. The reversal of 125685 is 586521.

It is an interprime number because it is at equal distance from previous prime (125683) and next prime (125687).

It is not a de Polignac number, because 125685 - 2¹ = 125683 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125683) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6606 + ... + 6624.

It is an arithmetic number, because the mean of its divisors is an integer number (5700).

2¹²⁵⁶⁸⁵ is an apocalyptic number.

125685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125685 is an abundant number, since it is smaller than the sum of its proper divisors (147915).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125685 is a wasteful number, since it uses less digits than its factorization.

125685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47 (or 34 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 125685 is about 354.5208033388. The cubic root of 125685 is about 50.0911670039.

The spelling of 125685 in words is "one hundred twenty-five thousand, six hundred eighty-five".