1152522271 has 2 divisors, whose sum is σ = 1152522272. Its totient is φ = 1152522270.

The previous prime is 1152522269. The next prime is 1152522323. The reversal of 1152522271 is 1722252511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1152522271 - 2¹ = 1152522269 is a prime.

Together with 1152522269, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1152522251) 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 as a sum of consecutive naturals, namely, 576261135 + 576261136.

It is an arithmetic number, because the mean of its divisors is an integer number (576261136).

Almost surely, 2^1152522271 is an apocalyptic number.

1152522271 is a deficient number, since it is larger than the sum of its proper divisors (1).

1152522271 is an equidigital number, since it uses as much as digits as its factorization.

1152522271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2800, while the sum is 28.

The square root of 1152522271 is about 33948.8184035910. The cubic root of 1152522271 is about 1048.4549524101.

Adding to 1152522271 its reverse (1722252511), we get a palindrome (2874774782).

The spelling of 1152522271 in words is "one billion, one hundred fifty-two million, five hundred twenty-two thousand, two hundred seventy-one".