1187167 has 2 divisors, whose sum is σ = 1187168. Its totient is φ = 1187166.

The previous prime is 1187159. The next prime is 1187189. The reversal of 1187167 is 7617811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1187167 - 2³ = 1187159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1187107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 593583 + 593584.

It is an arithmetic number, because the mean of its divisors is an integer number (593584).

2^1187167 is an apocalyptic number.

1187167 is a deficient number, since it is larger than the sum of its proper divisors (1).

1187167 is an equidigital number, since it uses as much as digits as its factorization.

1187167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2352, while the sum is 31.

The square root of 1187167 is about 1089.5719342935. The cubic root of 1187167 is about 105.8856902301.

It can be divided in two parts, 11 and 87167, that added together give a palindrome (87178).

The spelling of 1187167 in words is "one million, one hundred eighty-seven thousand, one hundred sixty-seven".