1150223251 has 2 divisors, whose sum is σ = 1150223252. Its totient is φ = 1150223250.

The previous prime is 1150223203. The next prime is 1150223257. The reversal of 1150223251 is 1523220511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1150223251 - 2¹¹ = 1150221203 is a prime.

It is not a weakly prime, because it can be changed into another prime (1150223257) 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, 575111625 + 575111626.

It is an arithmetic number, because the mean of its divisors is an integer number (575111626).

Almost surely, 2^1150223251 is an apocalyptic number.

1150223251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1150223251 is an equidigital number, since it uses as much as digits as its factorization.

1150223251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1150223251 is about 33914.9414123038. The cubic root of 1150223251 is about 1047.7573452315.

Adding to 1150223251 its reverse (1523220511), we get a palindrome (2673443762).

The spelling of 1150223251 in words is "one billion, one hundred fifty million, two hundred twenty-three thousand, two hundred fifty-one".