1043041009 has 4 divisors (see below), whose sum is σ = 1057329316. Its totient is φ = 1028752704.

The previous prime is 1043041003. The next prime is 1043041079. The reversal of 1043041009 is 9001403401.

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 583367409 + 459673600 = 24153^2 + 21440^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1043041009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1043041003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7144044 + ... + 7144189.

It is an arithmetic number, because the mean of its divisors is an integer number (264332329).

Almost surely, 2^1043041009 is an apocalyptic number.

It is an amenable number.

1043041009 is a deficient number, since it is larger than the sum of its proper divisors (14288307).

1043041009 is an equidigital number, since it uses as much as digits as its factorization.

1043041009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14288306.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1043041009 is about 32296.1454201581. The cubic root of 1043041009 is about 1014.1459514842.

The spelling of 1043041009 in words is "one billion, forty-three million, forty-one thousand, nine".