128011303 has 16 divisors (see below), whose sum is σ = 154827520. Its totient is φ = 103389696.

The previous prime is 128011291. The next prime is 128011319. The reversal of 128011303 is 303110821.

It is a cyclic number.

It is not a de Polignac number, because 128011303 - 2⁹ = 128010791 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128011393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23176 + ... + 28162.

It is an arithmetic number, because the mean of its divisors is an integer number (9676720).

Almost surely, 2^128011303 is an apocalyptic number.

128011303 is a deficient number, since it is larger than the sum of its proper divisors (26816217).

128011303 is a wasteful number, since it uses less digits than its factorization.

128011303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5206.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 128011303 is about 11314.2080147043. The cubic root of 128011303 is about 503.9832537793.

The spelling of 128011303 in words is "one hundred twenty-eight million, eleven thousand, three hundred three".