1241210563 has 2 divisors, whose sum is σ = 1241210564. Its totient is φ = 1241210562.

The previous prime is 1241210557. The next prime is 1241210567. The reversal of 1241210563 is 3650121421.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (3650121421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1241210563 - 2¹⁷ = 1241079491 is a prime.

It is not a weakly prime, because it can be changed into another prime (1241210567) 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, 620605281 + 620605282.

It is an arithmetic number, because the mean of its divisors is an integer number (620605282).

Almost surely, 2^1241210563 is an apocalyptic number.

1241210563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241210563 is an equidigital number, since it uses as much as digits as its factorization.

1241210563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1241210563 is about 35230.8183697172. The cubic root of 1241210563 is about 1074.6865682231.

Adding to 1241210563 its reverse (3650121421), we get a palindrome (4891331984).

The spelling of 1241210563 in words is "one billion, two hundred forty-one million, two hundred ten thousand, five hundred sixty-three".