1004321264 has 20 divisors (see below), whose sum is σ = 1946824056. Its totient is φ = 501915072.

The previous prime is 1004321251. The next prime is 1004321317. The reversal of 1004321264 is 4621234001.

It is a super-2 number, since 2×1004321264² = 2017322402645115392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21002 + ... + 49494.

Almost surely, 2^1004321264 is an apocalyptic number.

It is an amenable number.

1004321264 is a deficient number, since it is larger than the sum of its proper divisors (942502792).

1004321264 is a wasteful number, since it uses less digits than its factorization.

1004321264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30704 (or 30698 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1004321264 is about 31691.0281310026. The cubic root of 1004321264 is about 1001.4383514864.

Adding to 1004321264 its reverse (4621234001), we get a palindrome (5625555265).

The spelling of 1004321264 in words is "one billion, four million, three hundred twenty-one thousand, two hundred sixty-four".