1224534239 has 2 divisors, whose sum is σ = 1224534240. Its totient is φ = 1224534238.

The previous prime is 1224534209. The next prime is 1224534257. The reversal of 1224534239 is 9324354221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1224534239 - 2²⁰ = 1223485663 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1224534199 and 1224534208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1224534209) 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, 612267119 + 612267120.

It is an arithmetic number, because the mean of its divisors is an integer number (612267120).

Almost surely, 2^1224534239 is an apocalyptic number.

1224534239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224534239 is an equidigital number, since it uses as much as digits as its factorization.

1224534239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 35.

The square root of 1224534239 is about 34993.3456388497. The cubic root of 1224534239 is about 1069.8518556364.

The spelling of 1224534239 in words is "one billion, two hundred twenty-four million, five hundred thirty-four thousand, two hundred thirty-nine".