1204320017 has 2 divisors, whose sum is σ = 1204320018. Its totient is φ = 1204320016.

The previous prime is 1204319983. The next prime is 1204320041. The reversal of 1204320017 is 7100234021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1088736016 + 115584001 = 32996^2 + 10751^2 .

It is a cyclic number.

It is not a de Polignac number, because 1204320017 - 2⁶ = 1204319953 is a prime.

It is not a weakly prime, because it can be changed into another prime (1204320097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602160008 + 602160009.

It is an arithmetic number, because the mean of its divisors is an integer number (602160009).

Almost surely, 2^1204320017 is an apocalyptic number.

It is an amenable number.

1204320017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1204320017 is an equidigital number, since it uses as much as digits as its factorization.

1204320017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 1204320017 is about 34703.3142077237. The cubic root of 1204320017 is about 1063.9322372965.

Adding to 1204320017 its reverse (7100234021), we get a palindrome (8304554038).

The spelling of 1204320017 in words is "one billion, two hundred four million, three hundred twenty thousand, seventeen".