1311167 has 16 divisors (see below), whose sum is σ = 1578528. Its totient is φ = 1073280.

The previous prime is 1311143. The next prime is 1311173. The reversal of 1311167 is 7611131.

It is not a de Polignac number, because 1311167 - 2⁶ = 1311103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7493 + ... + 7665.

It is an arithmetic number, because the mean of its divisors is an integer number (98658).

2^1311167 is an apocalyptic number.

1311167 is a deficient number, since it is larger than the sum of its proper divisors (267361).

1311167 is a wasteful number, since it uses less digits than its factorization.

1311167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250.

The product of its digits is 126, while the sum is 20.

The square root of 1311167 is about 1145.0620070546. The cubic root of 1311167 is about 109.4508999163.

Adding to 1311167 its reverse (7611131), we get a palindrome (8922298).

The spelling of 1311167 in words is "one million, three hundred eleven thousand, one hundred sixty-seven".