1104001321 has 4 divisors (see below), whose sum is σ = 1112428944. Its totient is φ = 1095573700.

The previous prime is 1104001313. The next prime is 1104001331. The reversal of 1104001321 is 1231004011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1231004011 = 97 ⋅12690763.

It is a cyclic number.

It is not a de Polignac number, because 1104001321 - 2³ = 1104001313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1104001331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4213615 + ... + 4213876.

It is an arithmetic number, because the mean of its divisors is an integer number (278107236).

Almost surely, 2^1104001321 is an apocalyptic number.

It is an amenable number.

1104001321 is a deficient number, since it is larger than the sum of its proper divisors (8427623).

1104001321 is an equidigital number, since it uses as much as digits as its factorization.

1104001321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8427622.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1104001321 is about 33226.5153303803. The cubic root of 1104001321 is about 1033.5302626987.

Adding to 1104001321 its reverse (1231004011), we get a palindrome (2335005332).

The spelling of 1104001321 in words is "one billion, one hundred four million, one thousand, three hundred twenty-one".