1224144354247 has 2 divisors, whose sum is σ = 1224144354248. Its totient is φ = 1224144354246.

The previous prime is 1224144354163. The next prime is 1224144354253. The reversal of 1224144354247 is 7424534414221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1224144354247 - 2¹⁵ = 1224144321479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1224144354287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612072177123 + 612072177124.

It is an arithmetic number, because the mean of its divisors is an integer number (612072177124).

Almost surely, 2^{1224144354247} is an apocalyptic number.

1224144354247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224144354247 is an equidigital number, since it uses as much as digits as its factorization.

1224144354247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 860160, while the sum is 43.

Adding to 1224144354247 its reverse (7424534414221), we get a palindrome (8648678768468).

The spelling of 1224144354247 in words is "one trillion, two hundred twenty-four billion, one hundred forty-four million, three hundred fifty-four thousand, two hundred forty-seven".