126000017255 has 16 divisors (see below), whose sum is σ = 172868097024. Its totient is φ = 86365975200.

The previous prime is 126000017243. The next prime is 126000017261. The reversal of 126000017255 is 552710000621.

It is not a de Polignac number, because 126000017255 - 2⁴ = 126000017239 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 618821 + ... + 796830.

It is an arithmetic number, because the mean of its divisors is an integer number (10804256064).

Almost surely, 2^126000017255 is an apocalyptic number.

126000017255 is a deficient number, since it is larger than the sum of its proper divisors (46868079769).

126000017255 is a wasteful number, since it uses less digits than its factorization.

126000017255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1418206.

The product of its (nonzero) digits is 4200, while the sum is 29.

Adding to 126000017255 its reverse (552710000621), we get a palindrome (678710017876).

The spelling of 126000017255 in words is "one hundred twenty-six billion, seventeen thousand, two hundred fifty-five".