1341221201 has 2 divisors, whose sum is σ = 1341221202. Its totient is φ = 1341221200.

The previous prime is 1341221173. The next prime is 1341221207. The reversal of 1341221201 is 1021221431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1168272400 + 172948801 = 34180^2 + 13151^2 .

It is a cyclic number.

It is not a de Polignac number, because 1341221201 - 2²⁶ = 1274112337 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1341221201.

It is not a weakly prime, because it can be changed into another prime (1341221207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670610600 + 670610601.

It is an arithmetic number, because the mean of its divisors is an integer number (670610601).

Almost surely, 2^1341221201 is an apocalyptic number.

It is an amenable number.

1341221201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1341221201 is an equidigital number, since it uses as much as digits as its factorization.

1341221201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1341221201 is about 36622.6869713297. The cubic root of 1341221201 is about 1102.8085807247.

Adding to 1341221201 its reverse (1021221431), we get a palindrome (2362442632).

The spelling of 1341221201 in words is "one billion, three hundred forty-one million, two hundred twenty-one thousand, two hundred one".