1166269 has 12 divisors (see below), whose sum is σ = 1294176. Its totient is φ = 1050192.

The previous prime is 1166237. The next prime is 1166287. The reversal of 1166269 is 9626611.

It is not a de Polignac number, because 1166269 - 2⁵ = 1166237 is a prime.

It is a super-2 number, since 2×1166269² = 2720366760722, which contains 22 as substring.

It is an Ulam number.

1166269 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1166269.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11272 + ... + 11374.

It is an arithmetic number, because the mean of its divisors is an integer number (107848).

2^1166269 is an apocalyptic number.

It is an amenable number.

1166269 is a deficient number, since it is larger than the sum of its proper divisors (127907).

1166269 is a wasteful number, since it uses less digits than its factorization.

1166269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 183 counting only the distinct ones).

The product of its digits is 3888, while the sum is 31.

The square root of 1166269 is about 1079.9393501489. The cubic root of 1166269 is about 105.2606976223.

The spelling of 1166269 in words is "one million, one hundred sixty-six thousand, two hundred sixty-nine".