1031089 has 4 divisors (see below), whose sum is σ = 1034020. Its totient is φ = 1028160.

The previous prime is 1031081. The next prime is 1031117. The reversal of 1031089 is 9801301.

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 378225 + 652864 = 615^2 + 808^2 .

It is a cyclic number.

It is not a de Polignac number, because 1031089 - 2³ = 1031081 is a prime.

It is a Duffinian number.

1031089 is a lucky number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1031081) 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, 852 + ... + 1669.

It is an arithmetic number, because the mean of its divisors is an integer number (258505).

2^1031089 is an apocalyptic number.

It is an amenable number.

1031089 is a deficient number, since it is larger than the sum of its proper divisors (2931).

1031089 is an equidigital number, since it uses as much as digits as its factorization.

1031089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2930.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 1031089 is about 1015.4255265651. The cubic root of 1031089 is about 101.0257425478.

The spelling of 1031089 in words is "one million, thirty-one thousand, eighty-nine".