125599 has 8 divisors (see below), whose sum is σ = 133920. Its totient is φ = 117600.

The previous prime is 125597. The next prime is 125617. The reversal of 125599 is 995521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125599 - 2¹ = 125597 is a prime.

It is a Duffinian number.

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 125599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1734 + ... + 1804.

It is an arithmetic number, because the mean of its divisors is an integer number (16740).

2¹²⁵⁵⁹⁹ is an apocalyptic number.

125599 is a deficient number, since it is larger than the sum of its proper divisors (8321).

125599 is an equidigital number, since it uses as much as digits as its factorization.

125599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161.

The product of its digits is 4050, while the sum is 31.

The square root of 125599 is about 354.3994920990. The cubic root of 125599 is about 50.0797394315.

It can be divided in two parts, 1 and 25599, that added together give a square (25600 = 160²).

The spelling of 125599 in words is "one hundred twenty-five thousand, five hundred ninety-nine".