1244345071 has 2 divisors, whose sum is σ = 1244345072. Its totient is φ = 1244345070.

The previous prime is 1244345033. The next prime is 1244345083. The reversal of 1244345071 is 1705434421.

It is a strong prime.

It is an emirp because it is prime and its reverse (1705434421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1244345071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1244345671) 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, 622172535 + 622172536.

It is an arithmetic number, because the mean of its divisors is an integer number (622172536).

Almost surely, 2^1244345071 is an apocalyptic number.

1244345071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244345071 is an equidigital number, since it uses as much as digits as its factorization.

1244345071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 1244345071 is about 35275.2756332250. The cubic root of 1244345071 is about 1075.5904658801.

Adding to 1244345071 its reverse (1705434421), we get a palindrome (2949779492).

The spelling of 1244345071 in words is "one billion, two hundred forty-four million, three hundred forty-five thousand, seventy-one".