255220126 has 32 divisors (see below), whose sum is σ = 461880000. Its totient is φ = 105600096.

The previous prime is 255220111. The next prime is 255220129. The reversal of 255220126 is 621022552.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 255220126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255220129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13480 + ... + 26308.

It is an arithmetic number, because the mean of its divisors is an integer number (14433750).

Almost surely, 2^255220126 is an apocalyptic number.

255220126 is a deficient number, since it is larger than the sum of its proper divisors (206659874).

255220126 is a wasteful number, since it uses less digits than its factorization.

255220126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12881 (or 12867 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 255220126 is about 15975.6103482778. The cubic root of 255220126 is about 634.3149874264.

Adding to 255220126 its reverse (621022552), we get a palindrome (876242678).

The spelling of 255220126 in words is "two hundred fifty-five million, two hundred twenty thousand, one hundred twenty-six".