1170975571 has 2 divisors, whose sum is σ = 1170975572. Its totient is φ = 1170975570.

The previous prime is 1170975569. The next prime is 1170975599. The reversal of 1170975571 is 1755790711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1170975571 - 2¹ = 1170975569 is a prime.

Together with 1170975569, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1170975511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585487785 + 585487786.

It is an arithmetic number, because the mean of its divisors is an integer number (585487786).

Almost surely, 2^1170975571 is an apocalyptic number.

1170975571 is a deficient number, since it is larger than the sum of its proper divisors (1).

1170975571 is an equidigital number, since it uses as much as digits as its factorization.

1170975571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77175, while the sum is 43.

The square root of 1170975571 is about 34219.5203210098. The cubic root of 1170975571 is about 1054.0210353741.

The spelling of 1170975571 in words is "one billion, one hundred seventy million, nine hundred seventy-five thousand, five hundred seventy-one".