1224210143 has 10 divisors (see below), whose sum is σ = 1326255024. Its totient is φ = 1130013768.

The previous prime is 1224210133. The next prime is 1224210161. The reversal of 1224210143 is 3410124221.

It is not a de Polignac number, because 1224210143 - 2⁶ = 1224210079 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 (1224210133) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7130 + ... + 49992.

Almost surely, 2^1224210143 is an apocalyptic number.

1224210143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1224210143 is a deficient number, since it is larger than the sum of its proper divisors (102044881).

1224210143 is an frugal number, since it uses more digits than its factorization.

1224210143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42915 (or 42876 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1224210143 is about 34988.7145091099. The cubic root of 1224210143 is about 1069.7574618414.

Adding to 1224210143 its reverse (3410124221), we get a palindrome (4634334364).

The spelling of 1224210143 in words is "one billion, two hundred twenty-four million, two hundred ten thousand, one hundred forty-three".