1085054965 has 4 divisors (see below), whose sum is σ = 1302065964. Its totient is φ = 868043968.

The previous prime is 1085054947. The next prime is 1085055031. The reversal of 1085054965 is 5694505801.

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 207532836 + 877522129 = 14406^2 + 29623^2 .

It is a cyclic number.

It is not a de Polignac number, because 1085054965 - 2⁷ = 1085054837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108505492 + ... + 108505501.

It is an arithmetic number, because the mean of its divisors is an integer number (325516491).

Almost surely, 2^1085054965 is an apocalyptic number.

It is an amenable number.

1085054965 is a deficient number, since it is larger than the sum of its proper divisors (217010999).

1085054965 is an equidigital number, since it uses as much as digits as its factorization.

1085054965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217010998.

The product of its (nonzero) digits is 216000, while the sum is 43.

The square root of 1085054965 is about 32940.1725101737. The cubic root of 1085054965 is about 1027.5837934833.

The spelling of 1085054965 in words is "one billion, eighty-five million, fifty-four thousand, nine hundred sixty-five".