1227001313 has 2 divisors, whose sum is σ = 1227001314. Its totient is φ = 1227001312.

The previous prime is 1227001283. The next prime is 1227001319. The reversal of 1227001313 is 3131007221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 923126689 + 303874624 = 30383^2 + 17432^2 .

It is a cyclic number.

It is not a de Polignac number, because 1227001313 - 2¹⁰ = 1227000289 is a prime.

It is not a weakly prime, because it can be changed into another prime (1227001319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613500656 + 613500657.

It is an arithmetic number, because the mean of its divisors is an integer number (613500657).

Almost surely, 2^1227001313 is an apocalyptic number.

It is an amenable number.

1227001313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1227001313 is an equidigital number, since it uses as much as digits as its factorization.

1227001313 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 20.

The square root of 1227001313 is about 35028.5785181186. The cubic root of 1227001313 is about 1070.5698519311.

Adding to 1227001313 its reverse (3131007221), we get a palindrome (4358008534).

The spelling of 1227001313 in words is "one billion, two hundred twenty-seven million, one thousand, three hundred thirteen".