1001322004 has 24 divisors (see below), whose sum is σ = 1792264320. Its totient is φ = 489319584.

The previous prime is 1001321999. The next prime is 1001322029. The reversal of 1001322004 is 4002231001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46777 + ... + 64735.

It is an arithmetic number, because the mean of its divisors is an integer number (74677680).

Almost surely, 2^1001322004 is an apocalyptic number.

It is an amenable number.

1001322004 is a deficient number, since it is larger than the sum of its proper divisors (790942316).

1001322004 is a wasteful number, since it uses less digits than its factorization.

1001322004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18279 (or 18277 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1001322004 is about 31643.6724164563. The cubic root of 1001322004 is about 1000.4404739542.

Adding to 1001322004 its reverse (4002231001), we get a palindrome (5003553005).

The spelling of 1001322004 in words is "one billion, one million, three hundred twenty-two thousand, four".