1213224143 has 8 divisors (see below), whose sum is σ = 1224263040. Its totient is φ = 1202212440.

The previous prime is 1213224053. The next prime is 1213224167. The reversal of 1213224143 is 3414223121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1213224143 - 2²⁰ = 1212175567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213224443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88868 + ... + 101606.

It is an arithmetic number, because the mean of its divisors is an integer number (153032880).

Almost surely, 2^1213224143 is an apocalyptic number.

1213224143 is a deficient number, since it is larger than the sum of its proper divisors (11038897).

1213224143 is a wasteful number, since it uses less digits than its factorization.

1213224143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13597.

The product of its digits is 1152, while the sum is 23.

The square root of 1213224143 is about 34831.3672284049. The cubic root of 1213224143 is about 1066.5478585230.

Adding to 1213224143 its reverse (3414223121), we get a palindrome (4627447264).

The spelling of 1213224143 in words is "one billion, two hundred thirteen million, two hundred twenty-four thousand, one hundred forty-three".