1073091 has 16 divisors (see below), whose sum is σ = 1547424. Its totient is φ = 658944.

The previous prime is 1073089. The next prime is 1073099. The reversal of 1073091 is 1903701.

It is not a de Polignac number, because 1073091 - 2¹ = 1073089 is a prime.

1073091 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1073099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2505 + ... + 2901.

It is an arithmetic number, because the mean of its divisors is an integer number (96714).

2^1073091 is an apocalyptic number.

1073091 is a deficient number, since it is larger than the sum of its proper divisors (474333).

1073091 is a wasteful number, since it uses less digits than its factorization.

1073091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470.

The product of its (nonzero) digits is 189, while the sum is 21.

The square root of 1073091 is about 1035.9010570513. The cubic root of 1073091 is about 102.3793066807.

Adding to 1073091 its reverse (1903701), we get a palindrome (2976792).

The spelling of 1073091 in words is "one million, seventy-three thousand, ninety-one".