1040322989 has 2 divisors, whose sum is σ = 1040322990. Its totient is φ = 1040322988.

The previous prime is 1040322967. The next prime is 1040323001. The reversal of 1040322989 is 9892230401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 713798089 + 326524900 = 26717^2 + 18070^2 .

It is an emirp because it is prime and its reverse (9892230401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1040322989 - 2²⁴ = 1023545773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1040322289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520161494 + 520161495.

It is an arithmetic number, because the mean of its divisors is an integer number (520161495).

Almost surely, 2^1040322989 is an apocalyptic number.

It is an amenable number.

1040322989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040322989 is an equidigital number, since it uses as much as digits as its factorization.

1040322989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 1040322989 is about 32254.0383363076. The cubic root of 1040322989 is about 1013.2642773689.

The spelling of 1040322989 in words is "one billion, forty million, three hundred twenty-two thousand, nine hundred eighty-nine".