1244401043 has 2 divisors, whose sum is σ = 1244401044. Its totient is φ = 1244401042.

The previous prime is 1244401033. The next prime is 1244401051. The reversal of 1244401043 is 3401044421.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (3401044421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1244401043 - 2¹⁶ = 1244335507 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1244401013) 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, 622200521 + 622200522.

It is an arithmetic number, because the mean of its divisors is an integer number (622200522).

Almost surely, 2^1244401043 is an apocalyptic number.

1244401043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244401043 is an equidigital number, since it uses as much as digits as its factorization.

1244401043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1244401043 is about 35276.0689845113. The cubic root of 1244401043 is about 1075.6065927162.

Adding to 1244401043 its reverse (3401044421), we get a palindrome (4645445464).

The spelling of 1244401043 in words is "one billion, two hundred forty-four million, four hundred one thousand, forty-three".