1163120243 has 2 divisors, whose sum is σ = 1163120244. Its totient is φ = 1163120242.

The previous prime is 1163120237. The next prime is 1163120249. The reversal of 1163120243 is 3420213611.

It is a balanced prime because it is at equal distance from previous prime (1163120237) and next prime (1163120249).

It is a cyclic number.

It is not a de Polignac number, because 1163120243 - 2²⁴ = 1146343027 is a prime.

It is not a weakly prime, because it can be changed into another prime (1163120249) 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 as a sum of consecutive naturals, namely, 581560121 + 581560122.

It is an arithmetic number, because the mean of its divisors is an integer number (581560122).

Almost surely, 2^1163120243 is an apocalyptic number.

1163120243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1163120243 is an equidigital number, since it uses as much as digits as its factorization.

1163120243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1163120243 is about 34104.5487142111. The cubic root of 1163120243 is about 1051.6588270771.

Adding to 1163120243 its reverse (3420213611), we get a palindrome (4583333854).

The spelling of 1163120243 in words is "one billion, one hundred sixty-three million, one hundred twenty thousand, two hundred forty-three".