128843103 has 8 divisors (see below), whose sum is σ = 172080000. Its totient is φ = 85750808.

The previous prime is 128843101. The next prime is 128843111. The reversal of 128843103 is 301348821.

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

It is a cyclic number.

It is not a de Polignac number, because 128843103 - 2¹ = 128843101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128843101) 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, 34053 + ... + 37646.

It is an arithmetic number, because the mean of its divisors is an integer number (21510000).

Almost surely, 2^128843103 is an apocalyptic number.

128843103 is a deficient number, since it is larger than the sum of its proper divisors (43236897).

128843103 is an equidigital number, since it uses as much as digits as its factorization.

128843103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72301.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 128843103 is about 11350.9075848586. The cubic root of 128843103 is about 505.0725027426.

It can be divided in two parts, 12 and 8843103, that added together give a triangular number (8843115 = T₄₂₀₅).

The spelling of 128843103 in words is "one hundred twenty-eight million, eight hundred forty-three thousand, one hundred three".