113028191 has 4 divisors (see below), whose sum is σ = 114147384. Its totient is φ = 111909000.

The previous prime is 113028173. The next prime is 113028199. The reversal of 113028191 is 191820311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113028191 - 2⁶ = 113028127 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113028191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113028199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 559445 + ... + 559646.

It is an arithmetic number, because the mean of its divisors is an integer number (28536846).

Almost surely, 2^113028191 is an apocalyptic number.

113028191 is a deficient number, since it is larger than the sum of its proper divisors (1119193).

113028191 is a wasteful number, since it uses less digits than its factorization.

113028191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119192.

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 113028191 is about 10631.4717231435. The cubic root of 113028191 is about 483.4990134609.

The spelling of 113028191 in words is "one hundred thirteen million, twenty-eight thousand, one hundred ninety-one".