128228803 has 8 divisors (see below), whose sum is σ = 132865920. Its totient is φ = 123623040.

The previous prime is 128228767. The next prime is 128228809. The reversal of 128228803 is 308822821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 128228803 - 2⁹ = 128228291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128228809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 651 + ... + 16027.

It is an arithmetic number, because the mean of its divisors is an integer number (16608240).

Almost surely, 2^128228803 is an apocalyptic number.

128228803 is a deficient number, since it is larger than the sum of its proper divisors (4637117).

128228803 is a wasteful number, since it uses less digits than its factorization.

128228803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15677.

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 128228803 is about 11323.8157438206. The cubic root of 128228803 is about 504.2685263340.

The spelling of 128228803 in words is "one hundred twenty-eight million, two hundred twenty-eight thousand, eight hundred three".