109956999 has 8 divisors (see below), whose sum is σ = 146678512. Its totient is φ = 73270080.

The previous prime is 109956947. The next prime is 109957049. The reversal of 109956999 is 999659901.

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

It is not a de Polignac number, because 109956999 - 2¹¹ = 109954951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109956199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9 + ... + 14829.

It is an arithmetic number, because the mean of its divisors is an integer number (18334814).

Almost surely, 2^109956999 is an apocalyptic number.

109956999 is a deficient number, since it is larger than the sum of its proper divisors (36721513).

109956999 is a wasteful number, since it uses less digits than its factorization.

109956999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17297.

The product of its (nonzero) digits is 1771470, while the sum is 57.

The square root of 109956999 is about 10486.0382890775. The cubic root of 109956999 is about 479.0795424642.

The spelling of 109956999 in words is "one hundred nine million, nine hundred fifty-six thousand, nine hundred ninety-nine".