1224523241 has 2 divisors, whose sum is σ = 1224523242. Its totient is φ = 1224523240.

The previous prime is 1224523193. The next prime is 1224523259. The reversal of 1224523241 is 1423254221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1188870400 + 35652841 = 34480^2 + 5971^2 .

It is a cyclic number.

It is not a de Polignac number, because 1224523241 - 2²² = 1220328937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1224523241.

It is not a weakly prime, because it can be changed into another prime (1224523271) 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, 612261620 + 612261621.

It is an arithmetic number, because the mean of its divisors is an integer number (612261621).

Almost surely, 2^1224523241 is an apocalyptic number.

It is an amenable number.

1224523241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224523241 is an equidigital number, since it uses as much as digits as its factorization.

1224523241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3840, while the sum is 26.

The square root of 1224523241 is about 34993.1884943342. The cubic root of 1224523241 is about 1069.8486527135.

Adding to 1224523241 its reverse (1423254221), we get a palindrome (2647777462).

The spelling of 1224523241 in words is "one billion, two hundred twenty-four million, five hundred twenty-three thousand, two hundred forty-one".