125585 has 4 divisors (see below), whose sum is σ = 150708. Its totient is φ = 100464.

The previous prime is 125551. The next prime is 125591. The reversal of 125585 is 585521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 585521 = 41 ⋅14281.

It can be written as a sum of positive squares in 2 ways, for example, as 59536 + 66049 = 244^2 + 257^2 .

It is a cyclic number.

It is not a de Polignac number, because 125585 - 2⁸ = 125329 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 12554 + ... + 12563.

It is an arithmetic number, because the mean of its divisors is an integer number (37677).

2¹²⁵⁵⁸⁵ is an apocalyptic number.

It is an amenable number.

125585 is a deficient number, since it is larger than the sum of its proper divisors (25123).

125585 is an equidigital number, since it uses as much as digits as its factorization.

125585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25122.

The product of its digits is 2000, while the sum is 26.

The square root of 125585 is about 354.3797398272. The cubic root of 125585 is about 50.0778786354.

The spelling of 125585 in words is "one hundred twenty-five thousand, five hundred eighty-five".