1003004 has 6 divisors (see below), whose sum is σ = 1755264. Its totient is φ = 501500.

The previous prime is 1003003. The next prime is 1003019. The reversal of 1003004 is 4003001.

It is a junction number, because it is equal to n+sod(n) for n = 1002982 and 1003000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125372 + ... + 125379.

It is an arithmetic number, because the mean of its divisors is an integer number (292544).

2^1003004 is an apocalyptic number.

It is an amenable number.

1003004 is a deficient number, since it is larger than the sum of its proper divisors (752260).

1003004 is a wasteful number, since it uses less digits than its factorization.

1003004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250755 (or 250753 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 1003004 is about 1001.5008736891. The cubic root of 1003004 is about 100.1000332335.

Adding to 1003004 its reverse (4003001), we get a palindrome (5006005).

The spelling of 1003004 in words is "one million, three thousand, four".