125535 has 8 divisors (see below), whose sum is σ = 200880. Its totient is φ = 66944.

The previous prime is 125527. The next prime is 125539. The reversal of 125535 is 535521.

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 125535 - 2³ = 125527 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 125535.

It is not an unprimeable number, because it can be changed into a prime (125539) 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, 4170 + ... + 4199.

It is an arithmetic number, because the mean of its divisors is an integer number (25110).

2¹²⁵⁵³⁵ is an apocalyptic number.

125535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125535 is a deficient number, since it is larger than the sum of its proper divisors (75345).

125535 is an equidigital number, since it uses as much as digits as its factorization.

125535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8377.

The product of its digits is 750, while the sum is 21.

The square root of 125535 is about 354.3091870104. The cubic root of 125535 is about 50.0712318057.

The spelling of 125535 in words is "one hundred twenty-five thousand, five hundred thirty-five".