1003001304 has 16 divisors (see below), whose sum is σ = 2507503320. Its totient is φ = 334333760.

The previous prime is 1003001303. The next prime is 1003001339. The reversal of 1003001304 is 4031003001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1003001304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003001303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20895837 + ... + 20895884.

Almost surely, 2^1003001304 is an apocalyptic number.

It is an amenable number.

1003001304 is an abundant number, since it is smaller than the sum of its proper divisors (1504502016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1003001304 is a wasteful number, since it uses less digits than its factorization.

1003001304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41791730 (or 41791726 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1003001304 is about 31670.1958314122. The cubic root of 1003001304 is about 1000.9994354627. Note that the first 3 decimals are identical.

Adding to 1003001304 its reverse (4031003001), we get a palindrome (5034004305).

The spelling of 1003001304 in words is "one billion, three million, one thousand, three hundred four".