1152241243 has 4 divisors (see below), whose sum is σ = 1158031600. Its totient is φ = 1146450888.

The previous prime is 1152241213. The next prime is 1152241247. The reversal of 1152241243 is 3421422511.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1152241243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1152241247) 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 3 ways as a sum of consecutive naturals, for example, 2894880 + ... + 2895277.

It is an arithmetic number, because the mean of its divisors is an integer number (289507900).

Almost surely, 2^1152241243 is an apocalyptic number.

1152241243 is a deficient number, since it is larger than the sum of its proper divisors (5790357).

1152241243 is an equidigital number, since it uses as much as digits as its factorization.

1152241243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5790356.

The product of its digits is 1920, while the sum is 25.

The square root of 1152241243 is about 33944.6791559443. The cubic root of 1152241243 is about 1048.3697279832.

Adding to 1152241243 its reverse (3421422511), we get a palindrome (4573663754).

The spelling of 1152241243 in words is "one billion, one hundred fifty-two million, two hundred forty-one thousand, two hundred forty-three".