1224874169 has 2 divisors, whose sum is σ = 1224874170. Its totient is φ = 1224874168.

The previous prime is 1224874163. The next prime is 1224874171. The reversal of 1224874169 is 9614784221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1224160144 + 714025 = 34988^2 + 845^2 .

It is a cyclic number.

It is not a de Polignac number, because 1224874169 - 2²⁰ = 1223825593 is a prime.

It is a super-2 number, since 2×1224874169² = 3000633459766881122, which contains 22 as substring.

Together with 1224874171, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1224874163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612437084 + 612437085.

It is an arithmetic number, because the mean of its divisors is an integer number (612437085).

Almost surely, 2^1224874169 is an apocalyptic number.

It is an amenable number.

1224874169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224874169 is an equidigital number, since it uses as much as digits as its factorization.

1224874169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 44.

The square root of 1224874169 is about 34998.2023681217. The cubic root of 1224874169 is about 1069.9508432304.

It can be divided in two parts, 1224874 and 169, that added together give a cube (1225043 = 107³).

The spelling of 1224874169 in words is "one billion, two hundred twenty-four million, eight hundred seventy-four thousand, one hundred sixty-nine".