125806 has 4 divisors (see below), whose sum is σ = 188712. Its totient is φ = 62902.

The previous prime is 125803. The next prime is 125813. The reversal of 125806 is 608521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 1 + 2⁹ + 8³ + 5⁷ + 0 + 6⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31450 + ... + 31453.

It is an arithmetic number, because the mean of its divisors is an integer number (47178).

2¹²⁵⁸⁰⁶ is an apocalyptic number.

125806 is a deficient number, since it is larger than the sum of its proper divisors (62906).

125806 is an equidigital number, since it uses as much as digits as its factorization.

125806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62905.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 125806 is about 354.6914151766. The cubic root of 125806 is about 50.1072365089.

The spelling of 125806 in words is "one hundred twenty-five thousand, eight hundred six".