1190666171 has 2 divisors, whose sum is σ = 1190666172. Its totient is φ = 1190666170.

The previous prime is 1190666167. The next prime is 1190666189. The reversal of 1190666171 is 1716660911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1190666171 - 2² = 1190666167 is a prime.

It is not a weakly prime, because it can be changed into another prime (1190666101) 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, 595333085 + 595333086.

It is an arithmetic number, because the mean of its divisors is an integer number (595333086).

Almost surely, 2^1190666171 is an apocalyptic number.

1190666171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1190666171 is an equidigital number, since it uses as much as digits as its factorization.

1190666171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 1190666171 is about 34506.0309366348. The cubic root of 1190666171 is about 1059.8962076491.

The spelling of 1190666171 in words is "one billion, one hundred ninety million, six hundred sixty-six thousand, one hundred seventy-one".