1166258 has 16 divisors (see below), whose sum is σ = 1883520. Its totient is φ = 539856.

The previous prime is 1166237. The next prime is 1166287. The reversal of 1166258 is 8526611.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1166258.

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 7 ways as a sum of consecutive naturals, for example, 1460 + ... + 2112.

It is an arithmetic number, because the mean of its divisors is an integer number (117720).

2^1166258 is an apocalyptic number.

1166258 is a deficient number, since it is larger than the sum of its proper divisors (717262).

1166258 is a wasteful number, since it uses less digits than its factorization.

1166258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721.

The product of its digits is 2880, while the sum is 29.

The square root of 1166258 is about 1079.9342572583. The cubic root of 1166258 is about 105.2603666891.

The spelling of 1166258 in words is "one million, one hundred sixty-six thousand, two hundred fifty-eight".