112403191 has 4 divisors (see below), whose sum is σ = 113076432. Its totient is φ = 111729952.

The previous prime is 112403189. The next prime is 112403197. The reversal of 112403191 is 191304211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 191304211 = 7 ⋅27329173.

It is a cyclic number.

It is not a de Polignac number, because 112403191 - 2¹ = 112403189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112403197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336370 + ... + 336703.

It is an arithmetic number, because the mean of its divisors is an integer number (28269108).

Almost surely, 2^112403191 is an apocalyptic number.

112403191 is a deficient number, since it is larger than the sum of its proper divisors (673241).

112403191 is an equidigital number, since it uses as much as digits as its factorization.

112403191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673240.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 112403191 is about 10602.0371155736. The cubic root of 112403191 is about 482.6061813618.

The spelling of 112403191 in words is "one hundred twelve million, four hundred three thousand, one hundred ninety-one".