125655 has 8 divisors (see below), whose sum is σ = 201072. Its totient is φ = 67008.

The previous prime is 125651. The next prime is 125659. The reversal of 125655 is 556521.

It is an interprime number because it is at equal distance from previous prime (125651) and next prime (125659).

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

It is not a de Polignac number, because 125655 - 2² = 125651 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 125655.

It is not an unprimeable number, because it can be changed into a prime (125651) 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, 4174 + ... + 4203.

It is an arithmetic number, because the mean of its divisors is an integer number (25134).

2¹²⁵⁶⁵⁵ is an apocalyptic number.

125655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125655 is a deficient number, since it is larger than the sum of its proper divisors (75417).

125655 is an equidigital number, since it uses as much as digits as its factorization.

125655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8385.

The product of its digits is 1500, while the sum is 24.

The square root of 125655 is about 354.4784901796. The cubic root of 125655 is about 50.0871812336.

It can be divided in two parts, 125 and 655, that added together give a triangular number (780 = T₃₉).

The spelling of 125655 in words is "one hundred twenty-five thousand, six hundred fifty-five".