1085450705 has 4 divisors (see below), whose sum is σ = 1302540852. Its totient is φ = 868360560.

The previous prime is 1085450701. The next prime is 1085450711. The reversal of 1085450705 is 5070545801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5070545801 = 1291 ⋅3927611.

It can be written as a sum of positive squares in 2 ways, for example, as 355586449 + 729864256 = 18857^2 + 27016^2 .

It is not a de Polignac number, because 1085450705 - 2² = 1085450701 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1085450701) 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 3 ways as a sum of consecutive naturals, for example, 108545066 + ... + 108545075.

It is an arithmetic number, because the mean of its divisors is an integer number (325635213).

Almost surely, 2^1085450705 is an apocalyptic number.

It is an amenable number.

1085450705 is a deficient number, since it is larger than the sum of its proper divisors (217090147).

1085450705 is an equidigital number, since it uses as much as digits as its factorization.

1085450705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217090146.

The product of its (nonzero) digits is 28000, while the sum is 35.

The square root of 1085450705 is about 32946.1789134947. The cubic root of 1085450705 is about 1027.7087046922.

The spelling of 1085450705 in words is "one billion, eighty-five million, four hundred fifty thousand, seven hundred five".