1224132543 has 24 divisors (see below), whose sum is σ = 1832360400. Its totient is φ = 786570624.

The previous prime is 1224132529. The next prime is 1224132593. The reversal of 1224132543 is 3452314221.

It is not a de Polignac number, because 1224132543 - 2¹⁸ = 1223870399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224132593) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157771 + ... + 165347.

It is an arithmetic number, because the mean of its divisors is an integer number (76348350).

Almost surely, 2^1224132543 is an apocalyptic number.

1224132543 is a deficient number, since it is larger than the sum of its proper divisors (608227857).

1224132543 is a wasteful number, since it uses less digits than its factorization.

1224132543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8231 (or 8228 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 1224132543 is about 34987.6055625417. The cubic root of 1224132543 is about 1069.7348581696.

Adding to 1224132543 its reverse (3452314221), we get a palindrome (4676446764).

The spelling of 1224132543 in words is "one billion, two hundred twenty-four million, one hundred thirty-two thousand, five hundred forty-three".