1085091 has 16 divisors (see below), whose sum is σ = 1668864. Its totient is φ = 614304.

The previous prime is 1085053. The next prime is 1085101. The reversal of 1085091 is 1905801.

It is not a de Polignac number, because 1085091 - 2⁹ = 1084579 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 3265 + ... + 3581.

It is an arithmetic number, because the mean of its divisors is an integer number (104304).

2^1085091 is an apocalyptic number.

1085091 is a deficient number, since it is larger than the sum of its proper divisors (583773).

1085091 is a wasteful number, since it uses less digits than its factorization.

1085091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490.

The product of its (nonzero) digits is 360, while the sum is 24.

The square root of 1085091 is about 1041.6770132819. The cubic root of 1085091 is about 102.7595168812.

The spelling of 1085091 in words is "one million, eighty-five thousand, ninety-one".