128702888201 has 32 divisors (see below), whose sum is σ = 135196508160. Its totient is φ = 122382374400.

The previous prime is 128702888137. The next prime is 128702888207. The reversal of 128702888201 is 102888207821.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 128702888201 - 2⁶ = 128702888137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128702888207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 290525486 + ... + 290525928.

It is an arithmetic number, because the mean of its divisors is an integer number (4224890880).

Almost surely, 2^128702888201 is an apocalyptic number.

It is an amenable number.

128702888201 is a deficient number, since it is larger than the sum of its proper divisors (6493619959).

128702888201 is a wasteful number, since it uses less digits than its factorization.

128702888201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157.

The product of its (nonzero) digits is 229376, while the sum is 47.

The spelling of 128702888201 in words is "one hundred twenty-eight billion, seven hundred two million, eight hundred eighty-eight thousand, two hundred one".