1106555 has 4 divisors (see below), whose sum is σ = 1327872. Its totient is φ = 885240.

The previous prime is 1106543. The next prime is 1106563. The reversal of 1106555 is 5556011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5556011 = 47 ⋅118213.

It is not a de Polignac number, because 1106555 - 2⁶ = 1106491 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1106555.

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 3 ways as a sum of consecutive naturals, for example, 110651 + ... + 110660.

It is an arithmetic number, because the mean of its divisors is an integer number (331968).

2^1106555 is an apocalyptic number.

1106555 is a deficient number, since it is larger than the sum of its proper divisors (221317).

1106555 is an equidigital number, since it uses as much as digits as its factorization.

1106555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221316.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 1106555 is about 1051.9291801257. The cubic root of 1106555 is about 103.4326539565.

It can be divided in two parts, 1106 and 555, that added together give a palindrome (1661).

The spelling of 1106555 in words is "one million, one hundred six thousand, five hundred fifty-five".