128730003 has 16 divisors (see below), whose sum is σ = 176161920. Its totient is φ = 83571264.

The previous prime is 128729987. The next prime is 128730013. The reversal of 128730003 is 300037821.

It is not a de Polignac number, because 128730003 - 2⁴ = 128729987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (128730013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47575 + ... + 50207.

It is an arithmetic number, because the mean of its divisors is an integer number (11010120).

Almost surely, 2^128730003 is an apocalyptic number.

128730003 is a deficient number, since it is larger than the sum of its proper divisors (47431917).

128730003 is a wasteful number, since it uses less digits than its factorization.

128730003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3058.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 128730003 is about 11345.9245105897. The cubic root of 128730003 is about 504.9246732727.

Adding to 128730003 its reverse (300037821), we get a palindrome (428767824).

The spelling of 128730003 in words is "one hundred twenty-eight million, seven hundred thirty thousand, three".