1004002075 has 6 divisors (see below), whose sum is σ = 1244962604. Its totient is φ = 803201640.

The previous prime is 1004002061. The next prime is 1004002093. The reversal of 1004002075 is 5702004001.

It is not a de Polignac number, because 1004002075 - 2¹¹ = 1004000027 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20080017 + ... + 20080066.

Almost surely, 2^1004002075 is an apocalyptic number.

1004002075 is a deficient number, since it is larger than the sum of its proper divisors (240960529).

1004002075 is an equidigital number, since it uses as much as digits as its factorization.

1004002075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40160093 (or 40160088 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 1004002075 is about 31685.9917787025. The cubic root of 1004002075 is about 1001.3322493235.

Adding to 1004002075 its reverse (5702004001), we get a palindrome (6706006076).

The spelling of 1004002075 in words is "one billion, four million, two thousand, seventy-five".