125668 has 12 divisors (see below), whose sum is σ = 223020. Its totient is φ = 61952.

The previous prime is 125659. The next prime is 125669. The reversal of 125668 is 866521.

It can be written as a sum of positive squares in 2 ways, for example, as 36864 + 88804 = 192^2 + 298^2 .

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (125669) 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, 180 + ... + 532.

It is an arithmetic number, because the mean of its divisors is an integer number (18585).

2¹²⁵⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

125668 is a deficient number, since it is larger than the sum of its proper divisors (97352).

125668 is a wasteful number, since it uses less digits than its factorization.

125668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446 (or 444 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 125668 is about 354.4968265020. The cubic root of 125668 is about 50.0889084786.

The spelling of 125668 in words is "one hundred twenty-five thousand, six hundred sixty-eight".