1224143003143 has 4 divisors (see below), whose sum is σ = 1224145937448. Its totient is φ = 1224140068840.

The previous prime is 1224143003141. The next prime is 1224143003191. The reversal of 1224143003143 is 3413003414221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1224143003143 - 2¹ = 1224143003141 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 (1224143003141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 711721 + ... + 1718962.

It is an arithmetic number, because the mean of its divisors is an integer number (306036484362).

Almost surely, 2^{1224143003143} is an apocalyptic number.

1224143003143 is a deficient number, since it is larger than the sum of its proper divisors (2934305).

1224143003143 is an equidigital number, since it uses as much as digits as its factorization.

1224143003143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2934304.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1224143003143 its reverse (3413003414221), we get a palindrome (4637146417364).

The spelling of 1224143003143 in words is "one trillion, two hundred twenty-four billion, one hundred forty-three million, three thousand, one hundred forty-three".