1224405107869 has 2 divisors, whose sum is σ = 1224405107870. Its totient is φ = 1224405107868.

The previous prime is 1224405107789. The next prime is 1224405107911. The reversal of 1224405107869 is 9687015044221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1211844302244 + 12560805625 = 1100838^2 + 112075^2 .

It is an emirp because it is prime and its reverse (9687015044221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1224405107869 - 2¹⁷ = 1224404976797 is a prime.

It is a super-2 number, since 2×1224405107869² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1224405104869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612202553934 + 612202553935.

It is an arithmetic number, because the mean of its divisors is an integer number (612202553935).

Almost surely, 2^{1224405107869} is an apocalyptic number.

It is an amenable number.

1224405107869 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224405107869 is an equidigital number, since it uses as much as digits as its factorization.

1224405107869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 1224405107869 in words is "one trillion, two hundred twenty-four billion, four hundred five million, one hundred seven thousand, eight hundred sixty-nine".