1122343243 has 16 divisors (see below), whose sum is σ = 1362592000. Its totient is φ = 903003552.

The previous prime is 1122343207. The next prime is 1122343249. The reversal of 1122343243 is 3423432211.

It is a cyclic number.

It is not a de Polignac number, because 1122343243 - 2⁹ = 1122342731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1122343249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24213 + ... + 53206.

It is an arithmetic number, because the mean of its divisors is an integer number (85162000).

Almost surely, 2^1122343243 is an apocalyptic number.

1122343243 is a deficient number, since it is larger than the sum of its proper divisors (240248757).

1122343243 is a wasteful number, since it uses less digits than its factorization.

1122343243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77554.

The product of its digits is 3456, while the sum is 25.

The square root of 1122343243 is about 33501.3916576610. The cubic root of 1122343243 is about 1039.2225584609. Note that the first 3 decimals are identical.

Adding to 1122343243 its reverse (3423432211), we get a palindrome (4545775454).

The spelling of 1122343243 in words is "one billion, one hundred twenty-two million, three hundred forty-three thousand, two hundred forty-three".