126954929256 has 32 divisors (see below), whose sum is σ = 317397117600. Its totient is φ = 42317003840.

The previous prime is 126954929209. The next prime is 126954929267. The reversal of 126954929256 is 652929459621.

It is a super-2 number, since 2×126954929256² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 126954929256.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1010566 + ... + 1129226.

It is an arithmetic number, because the mean of its divisors is an integer number (9918659925).

Almost surely, 2^126954929256 is an apocalyptic number.

It is an amenable number.

126954929256 is an abundant number, since it is smaller than the sum of its proper divisors (190442188344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126954929256 is a wasteful number, since it uses less digits than its factorization.

126954929256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163249 (or 163245 counting only the distinct ones).

The product of its digits is 20995200, while the sum is 60.

The spelling of 126954929256 in words is "one hundred twenty-six billion, nine hundred fifty-four million, nine hundred twenty-nine thousand, two hundred fifty-six".