1166979 has 8 divisors (see below), whose sum is σ = 1697472. Its totient is φ = 707240.

The previous prime is 1166969. The next prime is 1166987. The reversal of 1166979 is 9796611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1166979 - 2⁵ = 1166947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1166929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17649 + ... + 17714.

It is an arithmetic number, because the mean of its divisors is an integer number (212184).

2^1166979 is an apocalyptic number.

1166979 is a deficient number, since it is larger than the sum of its proper divisors (530493).

1166979 is a wasteful number, since it uses less digits than its factorization.

1166979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35377.

The product of its digits is 20412, while the sum is 39.

The square root of 1166979 is about 1080.2680222982. The cubic root of 1166979 is about 105.2820534544.

It can be divided in two parts, 1166 and 979, that added together give a triangular number (2145 = T₆₅).

The spelling of 1166979 in words is "one million, one hundred sixty-six thousand, nine hundred seventy-nine".