1244404163 has 2 divisors, whose sum is σ = 1244404164. Its totient is φ = 1244404162.

The previous prime is 1244404157. The next prime is 1244404169. The reversal of 1244404163 is 3614044421.

It is a balanced prime because it is at equal distance from previous prime (1244404157) and next prime (1244404169).

It is a cyclic number.

It is not a de Polignac number, because 1244404163 - 2¹⁴ = 1244387779 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1244404169) 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, 622202081 + 622202082.

It is an arithmetic number, because the mean of its divisors is an integer number (622202082).

Almost surely, 2^1244404163 is an apocalyptic number.

1244404163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244404163 is an equidigital number, since it uses as much as digits as its factorization.

1244404163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 1244404163 is about 35276.1132070981. The cubic root of 1244404163 is about 1075.6074916466.

Adding to 1244404163 its reverse (3614044421), we get a palindrome (4858448584).

The spelling of 1244404163 in words is "one billion, two hundred forty-four million, four hundred four thousand, one hundred sixty-three".