126726889029998 has 48 divisors (see below), whose sum is σ = 200907131884416. Its totient is φ = 59888831304960.

The previous prime is 126726889029971. The next prime is 126726889030033. The reversal of 126726889029998 is 899920988627621.

It is a Harshad number since it is a multiple of its sum of digits (86).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1842542186 + ... + 1842610962.

It is an arithmetic number, because the mean of its divisors is an integer number (4185565247592).

Almost surely, 2^{126726889029998} is an apocalyptic number.

126726889029998 is a deficient number, since it is larger than the sum of its proper divisors (74180242854418).

126726889029998 is a wasteful number, since it uses less digits than its factorization.

126726889029998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84969 (or 84926 counting only the distinct ones).

The product of its (nonzero) digits is 6772211712, while the sum is 86.

The spelling of 126726889029998 in words is "one hundred twenty-six trillion, seven hundred twenty-six billion, eight hundred eighty-nine million, twenty-nine thousand, nine hundred ninety-eight".