1095020897 has 4 divisors (see below), whose sum is σ = 1095141396. Its totient is φ = 1094900400.

The previous prime is 1095020893. The next prime is 1095020917. The reversal of 1095020897 is 7980205901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7980205901 = 1999 ⋅3992099.

It can be written as a sum of positive squares in 2 ways, for example, as 938870881 + 156150016 = 30641^2 + 12496^2 .

It is a cyclic number.

It is not a de Polignac number, because 1095020897 - 2² = 1095020893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1095020893) 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, 45398 + ... + 65199.

It is an arithmetic number, because the mean of its divisors is an integer number (273785349).

Almost surely, 2^1095020897 is an apocalyptic number.

It is an amenable number.

1095020897 is a deficient number, since it is larger than the sum of its proper divisors (120499).

1095020897 is an equidigital number, since it uses as much as digits as its factorization.

1095020897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120498.

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 1095020897 is about 33091.0999666073. The cubic root of 1095020897 is about 1030.7202355616.

The spelling of 1095020897 in words is "one billion, ninety-five million, twenty thousand, eight hundred ninety-seven".