125745 has 16 divisors (see below), whose sum is σ = 205632. Its totient is φ = 65600.

The previous prime is 125743. The next prime is 125753. The reversal of 125745 is 547521.

It is not a de Polignac number, because 125745 - 2¹ = 125743 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (125743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1195 + ... + 1295.

It is an arithmetic number, because the mean of its divisors is an integer number (12852).

2¹²⁵⁷⁴⁵ is an apocalyptic number.

125745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125745 is a deficient number, since it is larger than the sum of its proper divisors (79887).

125745 is a wasteful number, since it uses less digits than its factorization.

125745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192.

The product of its digits is 1400, while the sum is 24.

The square root of 125745 is about 354.6054145103. The cubic root of 125745 is about 50.0991366419.

It can be divided in two parts, 1257 and 45, that multiplied together give a palindrome (56565).

The spelling of 125745 in words is "one hundred twenty-five thousand, seven hundred forty-five".