1224331043 has 16 divisors (see below), whose sum is σ = 1332925440. Its totient is φ = 1117859616.

The previous prime is 1224331039. The next prime is 1224331049. The reversal of 1224331043 is 3401334221.

It is a cyclic number.

It is not a de Polignac number, because 1224331043 - 2² = 1224331039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1224331049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 553646 + ... + 555852.

It is an arithmetic number, because the mean of its divisors is an integer number (83307840).

Almost surely, 2^1224331043 is an apocalyptic number.

1224331043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1224331043 is a deficient number, since it is larger than the sum of its proper divisors (108594397).

1224331043 is a wasteful number, since it uses less digits than its factorization.

1224331043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2666.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1224331043 is about 34990.4421663974. The cubic root of 1224331043 is about 1069.7926762259.

Adding to 1224331043 its reverse (3401334221), we get a palindrome (4625665264).

The spelling of 1224331043 in words is "one billion, two hundred twenty-four million, three hundred thirty-one thousand, forty-three".