1109349867 has 4 divisors (see below), whose sum is σ = 1479133160. Its totient is φ = 739566576.

The previous prime is 1109349859. The next prime is 1109349881. The reversal of 1109349867 is 7689439011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1109349867 - 2³ = 1109349859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1109349767) 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 3 ways as a sum of consecutive naturals, for example, 184891642 + ... + 184891647.

It is an arithmetic number, because the mean of its divisors is an integer number (369783290).

Almost surely, 2^1109349867 is an apocalyptic number.

1109349867 is a deficient number, since it is larger than the sum of its proper divisors (369783293).

1109349867 is an equidigital number, since it uses as much as digits as its factorization.

1109349867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369783292.

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 1109349867 is about 33306.9041941757. The cubic root of 1109349867 is about 1035.1966197438.

The spelling of 1109349867 in words is "one billion, one hundred nine million, three hundred forty-nine thousand, eight hundred sixty-seven".