1109019712 has 14 divisors (see below), whose sum is σ = 2200711118. Its totient is φ = 554509824.

The previous prime is 1109019679. The next prime is 1109019713. The reversal of 1109019712 is 2179109011.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1027587136 + 81432576 = 32056^2 + 9024^2 .

It is not an unprimeable number, because it can be changed into a prime (1109019713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8664153 + ... + 8664280.

Almost surely, 2^1109019712 is an apocalyptic number.

It is an amenable number.

1109019712 is a deficient number, since it is larger than the sum of its proper divisors (1091691406).

1109019712 is an equidigital number, since it uses as much as digits as its factorization.

1109019712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17328445 (or 17328435 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 31.

The square root of 1109019712 is about 33301.9475706752. The cubic root of 1109019712 is about 1035.0939141679.

The spelling of 1109019712 in words is "one billion, one hundred nine million, nineteen thousand, seven hundred twelve".