1151254171 has 2 divisors, whose sum is σ = 1151254172. Its totient is φ = 1151254170.

The previous prime is 1151254141. The next prime is 1151254177. The reversal of 1151254171 is 1714521511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1151254171 - 2⁹ = 1151253659 is a prime.

It is not a weakly prime, because it can be changed into another prime (1151254177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575627085 + 575627086.

It is an arithmetic number, because the mean of its divisors is an integer number (575627086).

Almost surely, 2^1151254171 is an apocalyptic number.

1151254171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151254171 is an equidigital number, since it uses as much as digits as its factorization.

1151254171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1400, while the sum is 28.

The square root of 1151254171 is about 33930.1366192357. The cubic root of 1151254171 is about 1048.0702791064.

Adding to 1151254171 its reverse (1714521511), we get a palindrome (2865775682).

The spelling of 1151254171 in words is "one billion, one hundred fifty-one million, two hundred fifty-four thousand, one hundred seventy-one".