1004304129 has 4 divisors (see below), whose sum is σ = 1339072176. Its totient is φ = 669536084.

The previous prime is 1004304127. The next prime is 1004304137. The reversal of 1004304129 is 9214034001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1004304129 - 2¹ = 1004304127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1004304099 and 1004304108.

It is not an unprimeable number, because it can be changed into a prime (1004304127) 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 3 ways as a sum of consecutive naturals, for example, 167384019 + ... + 167384024.

It is an arithmetic number, because the mean of its divisors is an integer number (334768044).

Almost surely, 2^1004304129 is an apocalyptic number.

It is an amenable number.

1004304129 is a deficient number, since it is larger than the sum of its proper divisors (334768047).

1004304129 is an equidigital number, since it uses as much as digits as its factorization.

1004304129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334768046.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1004304129 is about 31690.7577851966. The cubic root of 1004304129 is about 1001.4326561828.

Adding to 1004304129 its sum of digits (24), we get a triangular number (1004304153 = T₄₄₈₁₇).

The spelling of 1004304129 in words is "one billion, four million, three hundred four thousand, one hundred twenty-nine".