128804683 has 6 divisors (see below), whose sum is σ = 149834076. Its totient is φ = 110403972.

The previous prime is 128804677. The next prime is 128804713. The reversal of 128804683 is 386408821.

It is not a de Polignac number, because 128804683 - 2⁹ = 128804171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (128804603) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1314285 + ... + 1314382.

It is an arithmetic number, because the mean of its divisors is an integer number (24972346).

Almost surely, 2^128804683 is an apocalyptic number.

128804683 is a deficient number, since it is larger than the sum of its proper divisors (21029393).

128804683 is an equidigital number, since it uses as much as digits as its factorization.

128804683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2628681 (or 2628674 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 128804683 is about 11349.2150829914. The cubic root of 128804683 is about 505.0222948691.

The spelling of 128804683 in words is "one hundred twenty-eight million, eight hundred four thousand, six hundred eighty-three".