128747003 has 16 divisors (see below), whose sum is σ = 161429760. Its totient is φ = 99751200.

The previous prime is 128746991. The next prime is 128747009. The reversal of 128747003 is 300747821.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 128747003 - 2⁴ = 128746987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128747009) 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 15 ways as a sum of consecutive naturals, for example, 9113 + ... + 18453.

It is an arithmetic number, because the mean of its divisors is an integer number (10089360).

Almost surely, 2^128747003 is an apocalyptic number.

128747003 is a deficient number, since it is larger than the sum of its proper divisors (32682757).

128747003 is a wasteful number, since it uses less digits than its factorization.

128747003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9538.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 128747003 is about 11346.6736535427. The cubic root of 128747003 is about 504.9468989684.

The spelling of 128747003 in words is "one hundred twenty-eight million, seven hundred forty-seven thousand, three".