128900130 has 32 divisors (see below), whose sum is σ = 312206400. Its totient is φ = 34057152.

The previous prime is 128900063. The next prime is 128900143. The reversal of 128900130 is 31009821.

It is a self number, because there is not a number n which added to its sum of digits gives 128900130.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16440 + ... + 22979.

It is an arithmetic number, because the mean of its divisors is an integer number (9756450).

Almost surely, 2^128900130 is an apocalyptic number.

128900130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128900130 is an abundant number, since it is smaller than the sum of its proper divisors (183306270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128900130 is a wasteful number, since it uses less digits than its factorization.

128900130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39538.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 128900130 is about 11353.4193087369. The cubic root of 128900130 is about 505.1470081437.

Adding to 128900130 its reverse (31009821), we get a palindrome (159909951).

The spelling of 128900130 in words is "one hundred twenty-eight million, nine hundred thousand, one hundred thirty".