1166279 has 4 divisors (see below), whose sum is σ = 1168440. Its totient is φ = 1164120.

The previous prime is 1166237. The next prime is 1166287. The reversal of 1166279 is 9726611.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9726611 = 2287 ⋅4253.

It is a cyclic number.

It is not a de Polignac number, because 1166279 - 2²⁰ = 117703 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 (1166219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 524 + ... + 1614.

It is an arithmetic number, because the mean of its divisors is an integer number (292110).

2^1166279 is an apocalyptic number.

1166279 is a deficient number, since it is larger than the sum of its proper divisors (2161).

1166279 is a wasteful number, since it uses less digits than its factorization.

1166279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160.

The product of its digits is 4536, while the sum is 32.

The square root of 1166279 is about 1079.9439800286. The cubic root of 1166279 is about 105.2609984689.

The spelling of 1166279 in words is "one million, one hundred sixty-six thousand, two hundred seventy-nine".