197115 has 16 divisors (see below), whose sum is σ = 334368. Its totient is φ = 98816.

The previous prime is 197101. The next prime is 197117. The reversal of 197115 is 511791.

It is a cyclic number.

It is not a de Polignac number, because 197115 - 2⁵ = 197083 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 197115.

It is not an unprimeable number, because it can be changed into a prime (197117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132 + ... + 641.

It is an arithmetic number, because the mean of its divisors is an integer number (20898).

2¹⁹⁷¹¹⁵ is an apocalyptic number.

197115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

197115 is a deficient number, since it is larger than the sum of its proper divisors (137253).

197115 is a wasteful number, since it uses less digits than its factorization.

197115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798.

The product of its digits is 315, while the sum is 24.

The square root of 197115 is about 443.9763507215. The cubic root of 197115 is about 58.1977987146.

The spelling of 197115 in words is "one hundred ninety-seven thousand, one hundred fifteen".