125836 has 12 divisors (see below), whose sum is σ = 222712. Its totient is φ = 62208.

The previous prime is 125821. The next prime is 125863. The reversal of 125836 is 638521.

It is a happy number.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

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

Its product of digits (1440) is a multiple of the sum of its prime factors (360).

It is a self number, because there is not a number n which added to its sum of digits gives 125836.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556 + ... + 748.

2¹²⁵⁸³⁶ is an apocalyptic number.

It is an amenable number.

125836 is a deficient number, since it is larger than the sum of its proper divisors (96876).

125836 is a wasteful number, since it uses less digits than its factorization.

125836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360 (or 358 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 125836 is about 354.7337029379. The cubic root of 125836 is about 50.1112190895. Note that the first 3 decimals are identical.

It can be divided in two parts, 125 and 836, that added together give a square (961 = 31²).

The spelling of 125836 in words is "one hundred twenty-five thousand, eight hundred thirty-six".