128085201 has 12 divisors (see below), whose sum is σ = 185150160. Its totient is φ = 85326360.

The previous prime is 128085197. The next prime is 128085203. The reversal of 128085201 is 102580821.

It is not a de Polignac number, because 128085201 - 2² = 128085197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (128085203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9610 + ... + 18668.

It is an arithmetic number, because the mean of its divisors is an integer number (15429180).

Almost surely, 2^128085201 is an apocalyptic number.

It is an amenable number.

128085201 is a deficient number, since it is larger than the sum of its proper divisors (57064959).

128085201 is a wasteful number, since it uses less digits than its factorization.

128085201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10636 (or 10633 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 128085201 is about 11317.4732604058. The cubic root of 128085201 is about 504.0802144625.

The spelling of 128085201 in words is "one hundred twenty-eight million, eighty-five thousand, two hundred one".