1106949809 has 8 divisors (see below), whose sum is σ = 1265318208. Its totient is φ = 948639600.

The previous prime is 1106949803. The next prime is 1106949821. The reversal of 1106949809 is 9089496011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1106949809 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1106949803) 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, 39734 + ... + 61584.

It is an arithmetic number, because the mean of its divisors is an integer number (158164776).

Almost surely, 2^1106949809 is an apocalyptic number.

It is an amenable number.

1106949809 is a deficient number, since it is larger than the sum of its proper divisors (158368399).

1106949809 is an equidigital number, since it uses as much as digits as its factorization.

1106949809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29095.

The product of its (nonzero) digits is 139968, while the sum is 47.

The square root of 1106949809 is about 33270.8552490013. The cubic root of 1106949809 is about 1034.4495377799.

It can be divided in two parts, 11069 and 49809, that multiplied together give a triangular number (551335821 = T₃₃₂₀₆).

The spelling of 1106949809 in words is "one billion, one hundred six million, nine hundred forty-nine thousand, eight hundred nine".