1104421321 has 2 divisors, whose sum is σ = 1104421322. Its totient is φ = 1104421320.

The previous prime is 1104421309. The next prime is 1104421327. The reversal of 1104421321 is 1231244011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1071645696 + 32775625 = 32736^2 + 5725^2 .

It is an emirp because it is prime and its reverse (1231244011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1104421321 - 2⁵ = 1104421289 is a prime.

It is not a weakly prime, because it can be changed into another prime (1104421327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552210660 + 552210661.

It is an arithmetic number, because the mean of its divisors is an integer number (552210661).

Almost surely, 2^1104421321 is an apocalyptic number.

It is an amenable number.

1104421321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1104421321 is an equidigital number, since it uses as much as digits as its factorization.

1104421321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1104421321 is about 33232.8349828900. The cubic root of 1104421321 is about 1033.6613095453.

Adding to 1104421321 its reverse (1231244011), we get a palindrome (2335665332).

The spelling of 1104421321 in words is "one billion, one hundred four million, four hundred twenty-one thousand, three hundred twenty-one".