1120440009 has 32 divisors (see below), whose sum is σ = 1706390784. Its totient is φ = 648679680.

The previous prime is 1120440001. The next prime is 1120440017. The reversal of 1120440009 is 9000440211.

It is an interprime number because it is at equal distance from previous prime (1120440001) and next prime (1120440017).

It is not a de Polignac number, because 1120440009 - 2³ = 1120440001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1120440001) 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 in 31 ways as a sum of consecutive naturals, for example, 44479 + ... + 64955.

It is an arithmetic number, because the mean of its divisors is an integer number (53324712).

Almost surely, 2^1120440009 is an apocalyptic number.

It is an amenable number.

1120440009 is a deficient number, since it is larger than the sum of its proper divisors (585950775).

1120440009 is a wasteful number, since it uses less digits than its factorization.

1120440009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20577.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1120440009 is about 33472.9743076411. The cubic root of 1120440009 is about 1038.6347992395.

The spelling of 1120440009 in words is "one billion, one hundred twenty million, four hundred forty thousand, nine".