191000112 has 40 divisors (see below), whose sum is σ = 495032304. Its totient is φ = 63458304.

The previous prime is 191000107. The next prime is 191000129. The reversal of 191000112 is 211000191.

191000112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 191000091 and 191000100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8668 + ... + 21380.

Almost surely, 2^191000112 is an apocalyptic number.

191000112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

191000112 is an abundant number, since it is smaller than the sum of its proper divisors (304032192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

191000112 is a wasteful number, since it uses less digits than its factorization.

191000112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13037 (or 13031 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 15.

The square root of 191000112 is about 13820.2790131024. The cubic root of 191000112 is about 575.8966346154.

The spelling of 191000112 in words is "one hundred ninety-one million, one hundred twelve", and thus it is an aban number.