1105493 has 4 divisors (see below), whose sum is σ = 1170540. Its totient is φ = 1040448.

The previous prime is 1105463. The next prime is 1105501. The reversal of 1105493 is 3945011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1036324 + 69169 = 1018^2 + 263^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1105493 is a prime.

It is a super-2 number, since 2×1105493² = 2444229546098, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105463) by changing a digit.

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, 32498 + ... + 32531.

It is an arithmetic number, because the mean of its divisors is an integer number (292635).

2^1105493 is an apocalyptic number.

It is an amenable number.

1105493 is a deficient number, since it is larger than the sum of its proper divisors (65047).

1105493 is an equidigital number, since it uses as much as digits as its factorization.

1105493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65046.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 1105493 is about 1051.4242721185. The cubic root of 1105493 is about 103.3995540388.

The spelling of 1105493 in words is "one million, one hundred five thousand, four hundred ninety-three".