126655 has 8 divisors (see below), whose sum is σ = 154512. Its totient is φ = 99648.

The previous prime is 126653. The next prime is 126683. The reversal of 126655 is 556621.

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 126655 - 2¹ = 126653 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126653) 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, 192 + ... + 538.

It is an arithmetic number, because the mean of its divisors is an integer number (19314).

2¹²⁶⁶⁵⁵ is an apocalyptic number.

126655 is a deficient number, since it is larger than the sum of its proper divisors (27857).

126655 is an equidigital number, since it uses as much as digits as its factorization.

126655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425.

The product of its digits is 1800, while the sum is 25.

The square root of 126655 is about 355.8862177719. The cubic root of 126655 is about 50.2196998919.

The spelling of 126655 in words is "one hundred twenty-six thousand, six hundred fifty-five".