1171223167 has 2 divisors, whose sum is σ = 1171223168. Its totient is φ = 1171223166.

The previous prime is 1171223161. The next prime is 1171223173. The reversal of 1171223167 is 7613221711.

It is a balanced prime because it is at equal distance from previous prime (1171223161) and next prime (1171223173).

It is an emirp because it is prime and its reverse (7613221711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1171223167 - 2³ = 1171223159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1171223161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585611583 + 585611584.

It is an arithmetic number, because the mean of its divisors is an integer number (585611584).

Almost surely, 2^1171223167 is an apocalyptic number.

1171223167 is a deficient number, since it is larger than the sum of its proper divisors (1).

1171223167 is an equidigital number, since it uses as much as digits as its factorization.

1171223167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3528, while the sum is 31.

The square root of 1171223167 is about 34223.1378894455. The cubic root of 1171223167 is about 1054.0953190191.

Adding to 1171223167 its reverse (7613221711), we get a palindrome (8784444878).

The spelling of 1171223167 in words is "one billion, one hundred seventy-one million, two hundred twenty-three thousand, one hundred sixty-seven".