1220300317 has 2 divisors, whose sum is σ = 1220300318. Its totient is φ = 1220300316.

The previous prime is 1220300287. The next prime is 1220300353. The reversal of 1220300317 is 7130030221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 744798681 + 475501636 = 27291^2 + 21806^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220300317 - 2¹⁹ = 1219776029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1220300294 and 1220300303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220300357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610150158 + 610150159.

It is an arithmetic number, because the mean of its divisors is an integer number (610150159).

Almost surely, 2^1220300317 is an apocalyptic number.

It is an amenable number.

1220300317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220300317 is an equidigital number, since it uses as much as digits as its factorization.

1220300317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 1220300317 is about 34932.7971539641. The cubic root of 1220300317 is about 1068.6173999073.

Adding to 1220300317 its reverse (7130030221), we get a palindrome (8350330538).

The spelling of 1220300317 in words is "one billion, two hundred twenty million, three hundred thousand, three hundred seventeen".