1003000004 has 6 divisors (see below), whose sum is σ = 1755250014. Its totient is φ = 501500000.

The previous prime is 1003000001. The next prime is 1003000021. The reversal of 1003000004 is 4000003001.

It can be written as a sum of positive squares in only one way, i.e., 547092100 + 455907904 = 23390^2 + 21352^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1002999955 and 1003000000.

It is not an unprimeable number, because it can be changed into a prime (1003000001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125374997 + ... + 125375004.

It is an arithmetic number, because the mean of its divisors is an integer number (292541669).

Almost surely, 2^1003000004 is an apocalyptic number.

It is an amenable number.

1003000004 is a deficient number, since it is larger than the sum of its proper divisors (752250010).

1003000004 is a wasteful number, since it uses less digits than its factorization.

1003000004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250750005 (or 250750003 counting only the distinct ones).

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

The square root of 1003000004 is about 31670.1753073771. The cubic root of 1003000004 is about 1000.9990029940. Note that the first 3 decimals are identical.

Adding to 1003000004 its reverse (4000003001), we get a palindrome (5003003005).

The spelling of 1003000004 in words is "one billion, three million, four", and thus it is an aban number.