1109217328 has 20 divisors (see below), whose sum is σ = 2154480408. Its totient is φ = 553222400.

The previous prime is 1109217323. The next prime is 1109217367. The reversal of 1109217328 is 8237129011.

It is a junction number, because it is equal to n+sod(n) for n = 1109217293 and 1109217302.

It is not an unprimeable number, because it can be changed into a prime (1109217323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80026 + ... + 92857.

Almost surely, 2^1109217328 is an apocalyptic number.

It is an amenable number.

1109217328 is a deficient number, since it is larger than the sum of its proper divisors (1045263080).

1109217328 is a wasteful number, since it uses less digits than its factorization.

1109217328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173292 (or 173286 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 1109217328 is about 33304.9144721916. The cubic root of 1109217328 is about 1035.1553915755.

The spelling of 1109217328 in words is "one billion, one hundred nine million, two hundred seventeen thousand, three hundred twenty-eight".