128699301 has 16 divisors (see below), whose sum is σ = 179334144. Its totient is φ = 82017264.

The previous prime is 128699281. The next prime is 128699327. The reversal of 128699301 is 103996821.

It is not a de Polignac number, because 128699301 - 2⁵ = 128699269 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 128699301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128699341) 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, 4551 + ... + 16676.

It is an arithmetic number, because the mean of its divisors is an integer number (11208384).

Almost surely, 2^128699301 is an apocalyptic number.

It is an amenable number.

128699301 is a deficient number, since it is larger than the sum of its proper divisors (50634843).

128699301 is a wasteful number, since it uses less digits than its factorization.

128699301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21320.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 128699301 is about 11344.5714330688. The cubic root of 128699301 is about 504.8845287078.

The spelling of 128699301 in words is "one hundred twenty-eight million, six hundred ninety-nine thousand, three hundred one".