1105166 has 4 divisors (see below), whose sum is σ = 1657752. Its totient is φ = 552582.

The previous prime is 1105163. The next prime is 1105171. The reversal of 1105166 is 6615011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6615011 = 13 ⋅508847.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276290 + ... + 276293.

It is an arithmetic number, because the mean of its divisors is an integer number (414438).

2^1105166 is an apocalyptic number.

1105166 is a deficient number, since it is larger than the sum of its proper divisors (552586).

1105166 is an equidigital number, since it uses as much as digits as its factorization.

1105166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552585.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 1105166 is about 1051.2687572643. The cubic root of 1105166 is about 103.3893579880.

The spelling of 1105166 in words is "one million, one hundred five thousand, one hundred sixty-six".