1109221039 has 8 divisors (see below), whose sum is σ = 1139996960. Its totient is φ = 1078487136.

The previous prime is 1109221037. The next prime is 1109221073. The reversal of 1109221039 is 9301229011.

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 1109221039 - 2¹ = 1109221037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1109220998 and 1109221016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109221037) 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 7 ways as a sum of consecutive naturals, for example, 47377 + ... + 66805.

It is an arithmetic number, because the mean of its divisors is an integer number (142499620).

Almost surely, 2^1109221039 is an apocalyptic number.

1109221039 is a deficient number, since it is larger than the sum of its proper divisors (30775921).

1109221039 is a wasteful number, since it uses less digits than its factorization.

1109221039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21009.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 1109221039 is about 33304.9701846436. The cubic root of 1109221039 is about 1035.1565459802.

It can be divided in two parts, 11092 and 21039, that added together give a triangular number (32131 = T₂₅₃).

The spelling of 1109221039 in words is "one billion, one hundred nine million, two hundred twenty-one thousand, thirty-nine".