112198191 has 24 divisors (see below), whose sum is σ = 177317424. Its totient is φ = 62899200.

The previous prime is 112198189. The next prime is 112198217. The reversal of 112198191 is 191891211.

It is not a de Polignac number, because 112198191 - 2¹ = 112198189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112198391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 591 + ... + 14991.

It is an arithmetic number, because the mean of its divisors is an integer number (7388226).

Almost surely, 2^112198191 is an apocalyptic number.

112198191 is a deficient number, since it is larger than the sum of its proper divisors (65119233).

112198191 is a wasteful number, since it uses less digits than its factorization.

112198191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14471 (or 14464 counting only the distinct ones).

The product of its digits is 1296, while the sum is 33.

The square root of 112198191 is about 10592.3647501396. The cubic root of 112198191 is about 482.3126117799.

The spelling of 112198191 in words is "one hundred twelve million, one hundred ninety-eight thousand, one hundred ninety-one".