1244104453 has 2 divisors, whose sum is σ = 1244104454. Its totient is φ = 1244104452.

The previous prime is 1244104427. The next prime is 1244104469. The reversal of 1244104453 is 3544014421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1092765249 + 151339204 = 33057^2 + 12302^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1244104453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1244104483) 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, 622052226 + 622052227.

It is an arithmetic number, because the mean of its divisors is an integer number (622052227).

Almost surely, 2^1244104453 is an apocalyptic number.

It is an amenable number.

1244104453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244104453 is an equidigital number, since it uses as much as digits as its factorization.

1244104453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 1244104453 is about 35271.8648925741. The cubic root of 1244104453 is about 1075.5211327248.

Adding to 1244104453 its reverse (3544014421), we get a palindrome (4788118874).

The spelling of 1244104453 in words is "one billion, two hundred forty-four million, one hundred four thousand, four hundred fifty-three".