113120305 has 8 divisors (see below), whose sum is σ = 138632832. Its totient is φ = 88570608.

The previous prime is 113120299. The next prime is 113120311. The reversal of 113120305 is 503021311.

It is an interprime number because it is at equal distance from previous prime (113120299) and next prime (113120311).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113120305 - 2⁷ = 113120177 is a prime.

It is a Duffinian number.

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, 240447 + ... + 240916.

It is an arithmetic number, because the mean of its divisors is an integer number (17329104).

Almost surely, 2^113120305 is an apocalyptic number.

It is an amenable number.

113120305 is a deficient number, since it is larger than the sum of its proper divisors (25512527).

113120305 is an equidigital number, since it uses as much as digits as its factorization.

113120305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481415.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 113120305 is about 10635.8029786190. The cubic root of 113120305 is about 483.6303226930.

Adding to 113120305 its reverse (503021311), we get a palindrome (616141616).

The spelling of 113120305 in words is "one hundred thirteen million, one hundred twenty thousand, three hundred five".