1211167 has 2 divisors, whose sum is σ = 1211168. Its totient is φ = 1211166.

The previous prime is 1211141. The next prime is 1211179. The reversal of 1211167 is 7611121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1211167 - 2⁷ = 1211039 is a prime.

It is equal to p₉₃₇₀₀ and since 1211167 and 93700 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1211767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605583 + 605584.

It is an arithmetic number, because the mean of its divisors is an integer number (605584).

2^1211167 is an apocalyptic number.

1211167 is a deficient number, since it is larger than the sum of its proper divisors (1).

1211167 is an equidigital number, since it uses as much as digits as its factorization.

1211167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84, while the sum is 19.

The square root of 1211167 is about 1100.5303267062. The cubic root of 1211167 is about 106.5944704600.

Adding to 1211167 its reverse (7611121), we get a palindrome (8822288).

It can be divided in two parts, 1211 and 167, that added together give a triangular number (1378 = T₅₂).

The spelling of 1211167 in words is "one million, two hundred eleven thousand, one hundred sixty-seven".