128127006843 has 48 divisors (see below), whose sum is σ = 195615974400. Its totient is φ = 74457662400.

The previous prime is 128127006823. The next prime is 128127006859. The reversal of 128127006843 is 348600721821.

It is not a de Polignac number, because 128127006843 - 2⁵ = 128127006811 is a prime.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 128127006795 and 128127006804.

It is not an unprimeable number, because it can be changed into a prime (128127006823) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1174348 + ... + 1278806.

It is an arithmetic number, because the mean of its divisors is an integer number (4075332800).

Almost surely, 2^128127006843 is an apocalyptic number.

128127006843 is a deficient number, since it is larger than the sum of its proper divisors (67488967557).

128127006843 is a wasteful number, since it uses less digits than its factorization.

128127006843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104624 (or 104613 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 128127006843 in words is "one hundred twenty-eight billion, one hundred twenty-seven million, six thousand, eight hundred forty-three".