1224232113 has 32 divisors (see below), whose sum is σ = 1788998400. Its totient is φ = 744551808.

The previous prime is 1224232103. The next prime is 1224232117. The reversal of 1224232113 is 3112324221.

It is not a de Polignac number, because 1224232113 - 2⁵ = 1224232081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1224232113.

It is not an unprimeable number, because it can be changed into a prime (1224232117) 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, 585556 + ... + 587642.

It is an arithmetic number, because the mean of its divisors is an integer number (55906200).

Almost surely, 2^1224232113 is an apocalyptic number.

1224232113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1224232113 is a deficient number, since it is larger than the sum of its proper divisors (564766287).

1224232113 is an equidigital number, since it uses as much as digits as its factorization.

1224232113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2218 (or 2192 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 1224232113 is about 34989.0284660778. The cubic root of 1224232113 is about 1069.7638611869.

Adding to 1224232113 its reverse (3112324221), we get a palindrome (4336556334).

The spelling of 1224232113 in words is "one billion, two hundred twenty-four million, two hundred thirty-two thousand, one hundred thirteen".