1122530243 has 4 divisors (see below), whose sum is σ = 1158740928. Its totient is φ = 1086319560.

The previous prime is 1122530237. The next prime is 1122530293. The reversal of 1122530243 is 3420352211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1122530243 - 2¹² = 1122526147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122530293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18105296 + ... + 18105357.

It is an arithmetic number, because the mean of its divisors is an integer number (289685232).

Almost surely, 2^1122530243 is an apocalyptic number.

1122530243 is a deficient number, since it is larger than the sum of its proper divisors (36210685).

1122530243 is an equidigital number, since it uses as much as digits as its factorization.

1122530243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36210684.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1122530243 is about 33504.1824702529. The cubic root of 1122530243 is about 1039.2802721855.

Adding to 1122530243 its reverse (3420352211), we get a palindrome (4542882454).

The spelling of 1122530243 in words is "one billion, one hundred twenty-two million, five hundred thirty thousand, two hundred forty-three".