1171706867 has 4 divisors (see below), whose sum is σ = 1187757720. Its totient is φ = 1155656016.

The previous prime is 1171706819. The next prime is 1171706869. The reversal of 1171706867 is 7686071711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7686071711 = 317 ⋅24246283.

It is a cyclic number.

It is not a de Polignac number, because 1171706867 - 2¹⁴ = 1171690483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1171706869) 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 in 3 ways as a sum of consecutive naturals, for example, 8025317 + ... + 8025462.

It is an arithmetic number, because the mean of its divisors is an integer number (296939430).

Almost surely, 2^1171706867 is an apocalyptic number.

1171706867 is a deficient number, since it is larger than the sum of its proper divisors (16050853).

1171706867 is an equidigital number, since it uses as much as digits as its factorization.

1171706867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16050852.

The product of its (nonzero) digits is 98784, while the sum is 44.

The square root of 1171706867 is about 34230.2040163362. The cubic root of 1171706867 is about 1054.2404082861.

The spelling of 1171706867 in words is "one billion, one hundred seventy-one million, seven hundred six thousand, eight hundred sixty-seven".