1004113221 has 8 divisors (see below), whose sum is σ = 1339615200. Its totient is φ = 669010032.

The previous prime is 1004113183. The next prime is 1004113237. The reversal of 1004113221 is 1223114001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1004113221 - 2¹³ = 1004105029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1004113221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004113021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93771 + ... + 103928.

It is an arithmetic number, because the mean of its divisors is an integer number (167451900).

Almost surely, 2^1004113221 is an apocalyptic number.

It is an amenable number.

1004113221 is a deficient number, since it is larger than the sum of its proper divisors (335501979).

1004113221 is a wasteful number, since it uses less digits than its factorization.

1004113221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199395.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1004113221 is about 31687.7455966814. The cubic root of 1004113221 is about 1001.3691981076.

Adding to 1004113221 its reverse (1223114001), we get a palindrome (2227227222).

The spelling of 1004113221 in words is "one billion, four million, one hundred thirteen thousand, two hundred twenty-one".