1085741705 has 16 divisors (see below), whose sum is σ = 1349686800. Its totient is φ = 837872640.

The previous prime is 1085741677. The next prime is 1085741707. The reversal of 1085741705 is 5071475801.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 563207824 + 522533881 = 23732^2 + 22859^2 .

It is not a de Polignac number, because 1085741705 - 2⁶ = 1085741641 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1085741707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11510 + ... + 47999.

It is an arithmetic number, because the mean of its divisors is an integer number (84355425).

Almost surely, 2^1085741705 is an apocalyptic number.

It is an amenable number.

1085741705 is a deficient number, since it is larger than the sum of its proper divisors (263945095).

1085741705 is an equidigital number, since it uses as much as digits as its factorization.

1085741705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59644.

The product of its (nonzero) digits is 39200, while the sum is 38.

The square root of 1085741705 is about 32950.5949111697. The cubic root of 1085741705 is about 1027.8005364416.

The spelling of 1085741705 in words is "one billion, eighty-five million, seven hundred forty-one thousand, seven hundred five".