1085044087 has 4 divisors (see below), whose sum is σ = 1085301360. Its totient is φ = 1084786816.

The previous prime is 1085044061. The next prime is 1085044151. The reversal of 1085044087 is 7804405801.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1085044087 - 2¹¹ = 1085042039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085014087) 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, 122203 + ... + 130780.

It is an arithmetic number, because the mean of its divisors is an integer number (271325340).

Almost surely, 2^1085044087 is an apocalyptic number.

1085044087 is a deficient number, since it is larger than the sum of its proper divisors (257273).

1085044087 is an equidigital number, since it uses as much as digits as its factorization.

1085044087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257272.

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 1085044087 is about 32940.0073922275. The cubic root of 1085044087 is about 1027.5803595270.

Adding to 1085044087 its reverse (7804405801), we get a palindrome (8889449888).

The spelling of 1085044087 in words is "one billion, eighty-five million, forty-four thousand, eighty-seven".