1120043509 has 8 divisors (see below), whose sum is σ = 1225975352. Its totient is φ = 1016936640.

The previous prime is 1120043501. The next prime is 1120043537. The reversal of 1120043509 is 9053400211.

It can be written as a sum of positive squares in 4 ways, for example, as 99560484 + 1020483025 = 9978^2 + 31945^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1120043509 - 2³ = 1120043501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120043501) 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 7 ways as a sum of consecutive naturals, for example, 705414 + ... + 706999.

It is an arithmetic number, because the mean of its divisors is an integer number (153246919).

Almost surely, 2^1120043509 is an apocalyptic number.

It is an amenable number.

1120043509 is a deficient number, since it is larger than the sum of its proper divisors (105931843).

1120043509 is a wasteful number, since it uses less digits than its factorization.

1120043509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412487.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1120043509 is about 33467.0510950696. The cubic root of 1120043509 is about 1038.5122678286.

The spelling of 1120043509 in words is "one billion, one hundred twenty million, forty-three thousand, five hundred nine".