126255 has 16 divisors (see below), whose sum is σ = 213120. Its totient is φ = 63648.

The previous prime is 126241. The next prime is 126257. The reversal of 126255 is 552621.

It is not a de Polignac number, because 126255 - 2⁵ = 126223 is a prime.

126255 is a lucky number.

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 126255.

It is not an unprimeable number, because it can be changed into a prime (126257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64 + ... + 506.

It is an arithmetic number, because the mean of its divisors is an integer number (13320).

2¹²⁶²⁵⁵ is an apocalyptic number.

126255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

126255 is a deficient number, since it is larger than the sum of its proper divisors (86865).

126255 is a wasteful number, since it uses less digits than its factorization.

126255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470.

The product of its digits is 600, while the sum is 21.

The square root of 126255 is about 355.3237959946. The cubic root of 126255 is about 50.1667764273.

Adding to 126255 its reverse (552621), we get a palindrome (678876).

The spelling of 126255 in words is "one hundred twenty-six thousand, two hundred fifty-five".