128870003 has 8 divisors (see below), whose sum is σ = 131423136. Its totient is φ = 126331200.

The previous prime is 128869969. The next prime is 128870017. The reversal of 128870003 is 300078821.

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 128870003 - 2²⁰ = 127821427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128870303) 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 7 ways as a sum of consecutive naturals, for example, 15575 + ... + 22367.

It is an arithmetic number, because the mean of its divisors is an integer number (16427892).

Almost surely, 2^128870003 is an apocalyptic number.

128870003 is a deficient number, since it is larger than the sum of its proper divisors (2553133).

128870003 is an equidigital number, since it uses as much as digits as its factorization.

128870003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7165.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 128870003 is about 11352.0924502930. The cubic root of 128870003 is about 505.1076501547.

The spelling of 128870003 in words is "one hundred twenty-eight million, eight hundred seventy thousand, three".