199115 has 8 divisors (see below), whose sum is σ = 273120. Its totient is φ = 136512.

The previous prime is 199109. The next prime is 199151. The reversal of 199115 is 511991.

It is a happy number.

199115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 199115 - 2⁸ = 198859 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2810 + ... + 2879.

It is an arithmetic number, because the mean of its divisors is an integer number (34140).

2¹⁹⁹¹¹⁵ is an apocalyptic number.

199115 is a deficient number, since it is larger than the sum of its proper divisors (74005).

199115 is an equidigital number, since it uses as much as digits as its factorization.

199115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5701.

The product of its digits is 405, while the sum is 26.

The square root of 199115 is about 446.2230384012. The cubic root of 199115 is about 58.3939686960.

The spelling of 199115 in words is "one hundred ninety-nine thousand, one hundred fifteen".