1223201297 has 2 divisors, whose sum is σ = 1223201298. Its totient is φ = 1223201296.

The previous prime is 1223201269. The next prime is 1223201299. The reversal of 1223201297 is 7921023221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 705911761 + 517289536 = 26569^2 + 22744^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223201297 - 2⁶ = 1223201233 is a prime.

Together with 1223201299, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1223201299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611600648 + 611600649.

It is an arithmetic number, because the mean of its divisors is an integer number (611600649).

Almost surely, 2^1223201297 is an apocalyptic number.

It is an amenable number.

1223201297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223201297 is an equidigital number, since it uses as much as digits as its factorization.

1223201297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 1223201297 is about 34974.2948034696. The cubic root of 1223201297 is about 1069.4635261604.

The spelling of 1223201297 in words is "one billion, two hundred twenty-three million, two hundred one thousand, two hundred ninety-seven".