125678 has 16 divisors (see below), whose sum is σ = 221184. Its totient is φ = 52440.

The previous prime is 125669. The next prime is 125683. The reversal of 125678 is 876521.

It is an alternating number because its digits alternate between odd and even.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 125678.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 563 + ... + 753.

It is an arithmetic number, because the mean of its divisors is an integer number (13824).

2¹²⁵⁶⁷⁸ is an apocalyptic number.

125678 is a deficient number, since it is larger than the sum of its proper divisors (95506).

125678 is a wasteful number, since it uses less digits than its factorization.

125678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247.

The product of its digits is 3360, while the sum is 29.

The square root of 125678 is about 354.5109307201. The cubic root of 125678 is about 50.0902370475.

The spelling of 125678 in words is "one hundred twenty-five thousand, six hundred seventy-eight".