1122243243 has 8 divisors (see below), whose sum is σ = 1632353856. Its totient is φ = 680147400.

The previous prime is 1122243223. The next prime is 1122243271. The reversal of 1122243243 is 3423422211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1122243243 - 2⁶ = 1122243179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1122243203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17003653 + ... + 17003718.

It is an arithmetic number, because the mean of its divisors is an integer number (204044232).

Almost surely, 2^1122243243 is an apocalyptic number.

1122243243 is a deficient number, since it is larger than the sum of its proper divisors (510110613).

1122243243 is a wasteful number, since it uses less digits than its factorization.

1122243243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34007385.

The product of its digits is 2304, while the sum is 24.

The square root of 1122243243 is about 33499.8991491019. The cubic root of 1122243243 is about 1039.1916928759.

Adding to 1122243243 its reverse (3423422211), we get a palindrome (4545665454).

The spelling of 1122243243 in words is "one billion, one hundred twenty-two million, two hundred forty-three thousand, two hundred forty-three".