128798193 has 16 divisors (see below), whose sum is σ = 179066880. Its totient is φ = 82244736.

The previous prime is 128798177. The next prime is 128798209. The reversal of 128798193 is 391897821.

It is an interprime number because it is at equal distance from previous prime (128798177) and next prime (128798209).

It is not a de Polignac number, because 128798193 - 2⁴ = 128798177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (128798123) 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 15 ways as a sum of consecutive naturals, for example, 5221 + ... + 16877.

It is an arithmetic number, because the mean of its divisors is an integer number (11191680).

Almost surely, 2^128798193 is an apocalyptic number.

It is an amenable number.

128798193 is a deficient number, since it is larger than the sum of its proper divisors (50268687).

128798193 is a wasteful number, since it uses less digits than its factorization.

128798193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11816.

The product of its digits is 217728, while the sum is 48.

The square root of 128798193 is about 11348.9291565328. The cubic root of 128798193 is about 505.0138126471.

The spelling of 128798193 in words is "one hundred twenty-eight million, seven hundred ninety-eight thousand, one hundred ninety-three".