191049112 has 8 divisors (see below), whose sum is σ = 358217100. Its totient is φ = 95524552.

The previous prime is 191048953. The next prime is 191049113. The reversal of 191049112 is 211940191.

191049112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191049113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11940562 + ... + 11940577.

Almost surely, 2^191049112 is an apocalyptic number.

It is an amenable number.

191049112 is a deficient number, since it is larger than the sum of its proper divisors (167167988).

191049112 is a wasteful number, since it uses less digits than its factorization.

191049112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23881145 (or 23881141 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 28.

The square root of 191049112 is about 13822.0516566825. The cubic root of 191049112 is about 575.9458780809.

The spelling of 191049112 in words is "one hundred ninety-one million, forty-nine thousand, one hundred twelve".