1224340203 has 16 divisors (see below), whose sum is σ = 1647081216. Its totient is φ = 808943520.

The previous prime is 1224340157. The next prime is 1224340213. The reversal of 1224340203 is 3020434221.

It is not a de Polignac number, because 1224340203 - 2¹⁷ = 1224209131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1224340203.

It is not an unprimeable number, because it can be changed into a prime (1224340213) 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 in 15 ways as a sum of consecutive naturals, for example, 168226 + ... + 175352.

It is an arithmetic number, because the mean of its divisors is an integer number (102942576).

Almost surely, 2^1224340203 is an apocalyptic number.

1224340203 is a deficient number, since it is larger than the sum of its proper divisors (422741013).

1224340203 is a wasteful number, since it uses less digits than its factorization.

1224340203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7634.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1224340203 is about 34990.5730590398. The cubic root of 1224340203 is about 1069.7953441526.

Adding to 1224340203 its reverse (3020434221), we get a palindrome (4244774424).

The spelling of 1224340203 in words is "one billion, two hundred twenty-four million, three hundred forty thousand, two hundred three".