1224240866879 has 2 divisors, whose sum is σ = 1224240866880. Its totient is φ = 1224240866878.

The previous prime is 1224240866869. The next prime is 1224240866993. The reversal of 1224240866879 is 9786680424221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1224240866879 - 2²⁴ = 1224224089663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1224240866869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612120433439 + 612120433440.

It is an arithmetic number, because the mean of its divisors is an integer number (612120433440).

Almost surely, 2^{1224240866879} is an apocalyptic number.

1224240866879 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224240866879 is an equidigital number, since it uses as much as digits as its factorization.

1224240866879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18579456, while the sum is 59.

The spelling of 1224240866879 in words is "one trillion, two hundred twenty-four billion, two hundred forty million, eight hundred sixty-six thousand, eight hundred seventy-nine".