126727261854 has 16 divisors (see below), whose sum is σ = 254074221840. Its totient is φ = 42139137600.

The previous prime is 126727261819. The next prime is 126727261877. The reversal of 126727261854 is 458162727621.

It is a junction number, because it is equal to n+sod(n) for n = 126727261797 and 126727261806.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 25818097 + ... + 25823004.

It is an arithmetic number, because the mean of its divisors is an integer number (15879638865).

Almost surely, 2^126727261854 is an apocalyptic number.

126727261854 is an abundant number, since it is smaller than the sum of its proper divisors (127346959986).

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

126727261854 is a wasteful number, since it uses less digits than its factorization.

126727261854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51641515.

The product of its digits is 2257920, while the sum is 51.

The spelling of 126727261854 in words is "one hundred twenty-six billion, seven hundred twenty-seven million, two hundred sixty-one thousand, eight hundred fifty-four".