1244021344117 has 2 divisors, whose sum is σ = 1244021344118. Its totient is φ = 1244021344116.

The previous prime is 1244021344103. The next prime is 1244021344169. The reversal of 1244021344117 is 7114431204421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 934255631761 + 309765712356 = 966569^2 + 556566^2 .

It is an emirp because it is prime and its reverse (7114431204421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1244021344117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1244021044117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622010672058 + 622010672059.

It is an arithmetic number, because the mean of its divisors is an integer number (622010672059).

Almost surely, 2^{1244021344117} is an apocalyptic number.

It is an amenable number.

1244021344117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244021344117 is an equidigital number, since it uses as much as digits as its factorization.

1244021344117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 34.

Adding to 1244021344117 its reverse (7114431204421), we get a palindrome (8358452548538).

The spelling of 1244021344117 in words is "one trillion, two hundred forty-four billion, twenty-one million, three hundred forty-four thousand, one hundred seventeen".