1341221207 has 2 divisors, whose sum is σ = 1341221208. Its totient is φ = 1341221206.

The previous prime is 1341221201. The next prime is 1341221221. The reversal of 1341221207 is 7021221431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1341221207 - 2¹⁶ = 1341155671 is a prime.

It is a super-2 number, since 2×1341221207² = 3597748652213073698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1341221201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670610603 + 670610604.

It is an arithmetic number, because the mean of its divisors is an integer number (670610604).

Almost surely, 2^1341221207 is an apocalyptic number.

1341221207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1341221207 is an equidigital number, since it uses as much as digits as its factorization.

1341221207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1341221207 is about 36622.6870532461. The cubic root of 1341221207 is about 1102.8085823692.

Adding to 1341221207 its reverse (7021221431), we get a palindrome (8362442638).

The spelling of 1341221207 in words is "one billion, three hundred forty-one million, two hundred twenty-one thousand, two hundred seven".