125775 has 36 divisors (see below), whose sum is σ = 248248. Its totient is φ = 60480.

The previous prime is 125753. The next prime is 125777. The reversal of 125775 is 577521.

125775 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 125775 - 2⁵ = 125743 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

125775 is strictly pandigital in base 7.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125777) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2904 + ... + 2946.

2¹²⁵⁷⁷⁵ is an apocalyptic number.

125775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125775 is a deficient number, since it is larger than the sum of its proper divisors (122473).

125775 is a wasteful number, since it uses less digits than its factorization.

125775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72 (or 64 counting only the distinct ones).

The product of its digits is 2450, while the sum is 27.

The square root of 125775 is about 354.6477125261. The cubic root of 125775 is about 50.1031205103.

It can be divided in two parts, 125 and 775, that added together give a square (900 = 30²).

The spelling of 125775 in words is "one hundred twenty-five thousand, seven hundred seventy-five".