197801115 has 16 divisors (see below), whose sum is σ = 333139200. Its totient is φ = 99941472.

The previous prime is 197801089. The next prime is 197801129. The reversal of 197801115 is 511108791.

It is not a de Polignac number, because 197801115 - 2⁸ = 197800859 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346735 + ... + 347304.

It is an arithmetic number, because the mean of its divisors is an integer number (20821200).

Almost surely, 2^197801115 is an apocalyptic number.

197801115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

197801115 is a deficient number, since it is larger than the sum of its proper divisors (135338085).

197801115 is a wasteful number, since it uses less digits than its factorization.

197801115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694066.

The product of its (nonzero) digits is 2520, while the sum is 33.

The square root of 197801115 is about 14064.1784331684. The cubic root of 197801115 is about 582.6524520073.

The spelling of 197801115 in words is "one hundred ninety-seven million, eight hundred one thousand, one hundred fifteen".