125598 has 24 divisors (see below), whose sum is σ = 277704. Its totient is φ = 37840.

The previous prime is 125597. The next prime is 125617. The reversal of 125598 is 895521.

Its product of digits (3600) is a multiple of the sum of its prime factors (200).

It is a Curzon number.

It is a nialpdrome in base 11.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 640 + ... + 812.

It is an arithmetic number, because the mean of its divisors is an integer number (11571).

2¹²⁵⁵⁹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125598, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138852).

125598 is an abundant number, since it is smaller than the sum of its proper divisors (152106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125598 is a wasteful number, since it uses less digits than its factorization.

125598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200 (or 189 counting only the distinct ones).

The product of its digits is 3600, while the sum is 30.

The square root of 125598 is about 354.3980812589. The cubic root of 125598 is about 50.0796065221.

It can be divided in two parts, 12 and 5598, that multiplied together give a palindrome (67176).

The spelling of 125598 in words is "one hundred twenty-five thousand, five hundred ninety-eight".