1085045 has 8 divisors (see below), whose sum is σ = 1402296. Its totient is φ = 801216.

The previous prime is 1085023. The next prime is 1085047. The reversal of 1085045 is 5405801.

It can be written as a sum of positive squares in 4 ways, for example, as 17956 + 1067089 = 134^2 + 1033^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1085045 - 2⁶ = 1084981 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1085045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8282 + ... + 8411.

It is an arithmetic number, because the mean of its divisors is an integer number (175287).

2^1085045 is an apocalyptic number.

It is an amenable number.

1085045 is a deficient number, since it is larger than the sum of its proper divisors (317251).

1085045 is a wasteful number, since it uses less digits than its factorization.

1085045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16711.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1085045 is about 1041.6549332673. The cubic root of 1085045 is about 102.7580647743.

The spelling of 1085045 in words is "one million, eighty-five thousand, forty-five".