1040089 has 2 divisors, whose sum is σ = 1040090. Its totient is φ = 1040088.

The previous prime is 1040071. The next prime is 1040093. The reversal of 1040089 is 9800401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1016064 + 24025 = 1008^2 + 155^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040089 - 2⁵ = 1040057 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1040029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520044 + 520045.

It is an arithmetic number, because the mean of its divisors is an integer number (520045).

2^1040089 is an apocalyptic number.

It is an amenable number.

1040089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040089 is an equidigital number, since it uses as much as digits as its factorization.

1040089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1040089 is about 1019.8475376251. The cubic root of 1040089 is about 101.3188304017.

The spelling of 1040089 in words is "one million, forty thousand, eighty-nine".