1095845 has 4 divisors (see below), whose sum is σ = 1315020. Its totient is φ = 876672.

The previous prime is 1095841. The next prime is 1095847. The reversal of 1095845 is 5485901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5485901 = 29 ⋅189169.

It can be written as a sum of positive squares in 2 ways, for example, as 693889 + 401956 = 833^2 + 634^2 .

It is a cyclic number.

It is not a de Polignac number, because 1095845 - 2² = 1095841 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1095841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109580 + ... + 109589.

It is an arithmetic number, because the mean of its divisors is an integer number (328755).

2^1095845 is an apocalyptic number.

It is an amenable number.

1095845 is a deficient number, since it is larger than the sum of its proper divisors (219175).

1095845 is an equidigital number, since it uses as much as digits as its factorization.

1095845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219174.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 1095845 is about 1046.8261555769. The cubic root of 1095845 is about 103.0978741021.

The spelling of 1095845 in words is "one million, ninety-five thousand, eight hundred forty-five".