1224258243 has 32 divisors (see below), whose sum is σ = 1792929600. Its totient is φ = 738533376.

The previous prime is 1224258241. The next prime is 1224258263. The reversal of 1224258243 is 3428524221.

It is not a de Polignac number, because 1224258243 - 2¹ = 1224258241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1224258241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 410863 + ... + 413831.

It is an arithmetic number, because the mean of its divisors is an integer number (56029050).

Almost surely, 2^1224258243 is an apocalyptic number.

1224258243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1224258243 is a deficient number, since it is larger than the sum of its proper divisors (568671357).

1224258243 is a wasteful number, since it uses less digits than its factorization.

1224258243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3191.

The product of its digits is 30720, while the sum is 33.

The square root of 1224258243 is about 34989.4018668511. The cubic root of 1224258243 is about 1069.7714721431.

The spelling of 1224258243 in words is "one billion, two hundred twenty-four million, two hundred fifty-eight thousand, two hundred forty-three".