1110145 has 4 divisors (see below), whose sum is σ = 1332180. Its totient is φ = 888112.

The previous prime is 1110133. The next prime is 1110167. The reversal of 1110145 is 5410111.

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 186624 + 923521 = 432^2 + 961^2 .

It is a cyclic number.

It is not a de Polignac number, because 1110145 - 2¹⁹ = 585857 is a prime.

It is an Ulam number.

1110145 is a lucky number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111010 + ... + 111019.

It is an arithmetic number, because the mean of its divisors is an integer number (333045).

2^1110145 is an apocalyptic number.

It is an amenable number.

1110145 is a deficient number, since it is larger than the sum of its proper divisors (222035).

1110145 is an equidigital number, since it uses as much as digits as its factorization.

1110145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222034.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 1110145 is about 1053.6341869928. The cubic root of 1110145 is about 103.5443888418.

Adding to 1110145 its reverse (5410111), we get a palindrome (6520256).

The spelling of 1110145 in words is "one million, one hundred ten thousand, one hundred forty-five".