1105506 has 12 divisors (see below), whose sum is σ = 2395302. Its totient is φ = 368496.

The previous prime is 1105501. The next prime is 1105513. The reversal of 1105506 is 6055011.

1105506 is a `hidden beast` number, since 110 + 550 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1010025 + 95481 = 1005^2 + 309^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 61417 = 1105506 / (1 + 1 + 0 + 5 + 5 + 0 + 6).

It is not an unprimeable number, because it can be changed into a prime (1105501) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30691 + ... + 30726.

2^1105506 is an apocalyptic number.

1105506 is an abundant number, since it is smaller than the sum of its proper divisors (1289796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1105506 is a wasteful number, since it uses less digits than its factorization.

1105506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61425 (or 61422 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 1105506 is about 1051.4304541909. The cubic root of 1105506 is about 103.3999593449.

The spelling of 1105506 in words is "one million, one hundred five thousand, five hundred six".