1104445 has 4 divisors (see below), whose sum is σ = 1325340. Its totient is φ = 883552.

The previous prime is 1104431. The next prime is 1104449. The reversal of 1104445 is 5444011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5444011 = 211 ⋅25801.

It can be written as a sum of positive squares in 2 ways, for example, as 161604 + 942841 = 402^2 + 971^2 .

It is a cyclic number.

It is not a de Polignac number, because 1104445 - 2⁹ = 1103933 is a prime.

1104445 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1104449) 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, 110440 + ... + 110449.

It is an arithmetic number, because the mean of its divisors is an integer number (331335).

2^1104445 is an apocalyptic number.

It is an amenable number.

1104445 is a deficient number, since it is larger than the sum of its proper divisors (220895).

1104445 is an equidigital number, since it uses as much as digits as its factorization.

1104445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220894.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1104445 is about 1050.9257823462. The cubic root of 1104445 is about 103.3668696790.

Adding to 1104445 its reverse (5444011), we get a palindrome (6548456).

The spelling of 1104445 in words is "one million, one hundred four thousand, four hundred forty-five".