1163262143 has 2 divisors, whose sum is σ = 1163262144. Its totient is φ = 1163262142.

The previous prime is 1163262041. The next prime is 1163262157. The reversal of 1163262143 is 3412623611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1163262143 - 2²² = 1159067839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1163262343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581631071 + 581631072.

It is an arithmetic number, because the mean of its divisors is an integer number (581631072).

Almost surely, 2^1163262143 is an apocalyptic number.

1163262143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1163262143 is an equidigital number, since it uses as much as digits as its factorization.

1163262143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 29.

The square root of 1163262143 is about 34106.6290184181. The cubic root of 1163262143 is about 1051.7015925952.

Adding to 1163262143 its reverse (3412623611), we get a palindrome (4575885754).

The spelling of 1163262143 in words is "one billion, one hundred sixty-three million, two hundred sixty-two thousand, one hundred forty-three".