125644 has 12 divisors (see below), whose sum is σ = 222768. Its totient is φ = 62000.

The previous prime is 125641. The next prime is 125651. The reversal of 125644 is 446521.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (125641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249 + ... + 559.

It is an arithmetic number, because the mean of its divisors is an integer number (18564).

2¹²⁵⁶⁴⁴ is an apocalyptic number.

It is an amenable number.

125644 is a deficient number, since it is larger than the sum of its proper divisors (97124).

125644 is a wasteful number, since it uses less digits than its factorization.

125644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416 (or 414 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 125644 is about 354.4629740890. The cubic root of 125644 is about 50.0857196256.

The spelling of 125644 in words is "one hundred twenty-five thousand, six hundred forty-four".