113206771 has 4 divisors (see below), whose sum is σ = 114570792. Its totient is φ = 111842752.

The previous prime is 113206697. The next prime is 113206777. The reversal of 113206771 is 177602311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113206771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113206777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 681886 + ... + 682051.

It is an arithmetic number, because the mean of its divisors is an integer number (28642698).

Almost surely, 2^113206771 is an apocalyptic number.

113206771 is a deficient number, since it is larger than the sum of its proper divisors (1364021).

113206771 is an equidigital number, since it uses as much as digits as its factorization.

113206771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364020.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 113206771 is about 10639.8670574401. The cubic root of 113206771 is about 483.7535158111.

The spelling of 113206771 in words is "one hundred thirteen million, two hundred six thousand, seven hundred seventy-one".