1166212 has 12 divisors (see below), whose sum is σ = 2079756. Its totient is φ = 572000.

The previous prime is 1166153. The next prime is 1166213. The reversal of 1166212 is 2126611.

It can be written as a sum of positive squares in 2 ways, for example, as 1032256 + 133956 = 1016^2 + 366^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1166212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166213) 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, 2539 + ... + 2962.

It is an arithmetic number, because the mean of its divisors is an integer number (173313).

2^1166212 is an apocalyptic number.

It is an amenable number.

1166212 is a deficient number, since it is larger than the sum of its proper divisors (913544).

1166212 is a wasteful number, since it uses less digits than its factorization.

1166212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5558 (or 5556 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

The square root of 1166212 is about 1079.9129594555. The cubic root of 1166212 is about 105.2589827642.

It can be divided in two parts, 1166 and 212, that added together give a triangular number (1378 = T₅₂).

The spelling of 1166212 in words is "one million, one hundred sixty-six thousand, two hundred twelve".