1375128003 has 32 divisors (see below), whose sum is σ = 1954656000. Its totient is φ = 858404736.

The previous prime is 1375127959. The next prime is 1375128017. The reversal of 1375128003 is 3008215731.

It is not a de Polignac number, because 1375128003 - 2¹⁰ = 1375126979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1375128043) 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 31 ways as a sum of consecutive naturals, for example, 556176 + ... + 558642.

It is an arithmetic number, because the mean of its divisors is an integer number (61083000).

Almost surely, 2^1375128003 is an apocalyptic number.

1375128003 is a deficient number, since it is larger than the sum of its proper divisors (579527997).

1375128003 is a wasteful number, since it uses less digits than its factorization.

1375128003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2691.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 1375128003 is about 37082.7183874106. The cubic root of 1375128003 is about 1112.0245504107.

The spelling of 1375128003 in words is "one billion, three hundred seventy-five million, one hundred twenty-eight thousand, three".