109947199 has 8 divisors (see below), whose sum is σ = 117526752. Its totient is φ = 102600960.

The previous prime is 109947191. The next prime is 109947217. The reversal of 109947199 is 991749901.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 109947199 - 2³ = 109947191 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 (109947191) 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, 57354 + ... + 59239.

It is an arithmetic number, because the mean of its divisors is an integer number (14690844).

Almost surely, 2^109947199 is an apocalyptic number.

109947199 is a deficient number, since it is larger than the sum of its proper divisors (7579553).

109947199 is a wasteful number, since it uses less digits than its factorization.

109947199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116657.

The product of its (nonzero) digits is 183708, while the sum is 49.

The square root of 109947199 is about 10485.5709906519. The cubic root of 109947199 is about 479.0653092668.

The spelling of 109947199 in words is "one hundred nine million, nine hundred forty-seven thousand, one hundred ninety-nine".