1166878 has 8 divisors (see below), whose sum is σ = 1759968. Its totient is φ = 580224.

The previous prime is 1166861. The next prime is 1166903. The reversal of 1166878 is 8786611.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1126 + ... + 1897.

It is an arithmetic number, because the mean of its divisors is an integer number (219996).

2^1166878 is an apocalyptic number.

1166878 is a deficient number, since it is larger than the sum of its proper divisors (593090).

1166878 is a wasteful number, since it uses less digits than its factorization.

1166878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3218.

The product of its digits is 16128, while the sum is 37.

The square root of 1166878 is about 1080.2212736287. The cubic root of 1166878 is about 105.2790160406.

The spelling of 1166878 in words is "one million, one hundred sixty-six thousand, eight hundred seventy-eight".