1085081 has 4 divisors (see below), whose sum is σ = 1089972. Its totient is φ = 1080192.

The previous prime is 1085053. The next prime is 1085101. The reversal of 1085081 is 1805801.

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 173056 + 912025 = 416^2 + 955^2 .

It is a cyclic number.

It is not a de Polignac number, because 1085081 - 2⁶ = 1085017 is a prime.

It is a super-2 number, since 2×1085081² = 2354801553122, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (1085011) 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, 2096 + ... + 2561.

It is an arithmetic number, because the mean of its divisors is an integer number (272493).

2^1085081 is an apocalyptic number.

It is an amenable number.

1085081 is a deficient number, since it is larger than the sum of its proper divisors (4891).

1085081 is an equidigital number, since it uses as much as digits as its factorization.

1085081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4890.

The product of its (nonzero) digits is 320, while the sum is 23.

The square root of 1085081 is about 1041.6722133186. The cubic root of 1085081 is about 102.7592012093.

The spelling of 1085081 in words is "one million, eighty-five thousand, eighty-one".