128063875 has 8 divisors (see below), whose sum is σ = 159823872. Its totient is φ = 102451000.

The previous prime is 128063851. The next prime is 128063893. The reversal of 128063875 is 578360821.

It is not a de Polignac number, because 128063875 - 2¹¹ = 128061827 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 512131 + ... + 512380.

It is an arithmetic number, because the mean of its divisors is an integer number (19977984).

Almost surely, 2^128063875 is an apocalyptic number.

128063875 is a deficient number, since it is larger than the sum of its proper divisors (31759997).

128063875 is an equidigital number, since it uses as much as digits as its factorization.

128063875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024526 (or 1024516 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 128063875 is about 11316.5310497520. The cubic root of 128063875 is about 504.0522367018.

The spelling of 128063875 in words is "one hundred twenty-eight million, sixty-three thousand, eight hundred seventy-five".