113105947 has 8 divisors (see below), whose sum is σ = 119858400. Its totient is φ = 106364544.

The previous prime is 113105939. The next prime is 113105963. The reversal of 113105947 is 749501311.

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 113105947 - 2³ = 113105939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113105987) 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 7 ways as a sum of consecutive naturals, for example, 28554 + ... + 32272.

It is an arithmetic number, because the mean of its divisors is an integer number (14982300).

Almost surely, 2^113105947 is an apocalyptic number.

113105947 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

113105947 is a deficient number, since it is larger than the sum of its proper divisors (6752453).

113105947 is a wasteful number, since it uses less digits than its factorization.

113105947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5525.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 113105947 is about 10635.1279729019. The cubic root of 113105947 is about 483.6098599417.

The spelling of 113105947 in words is "one hundred thirteen million, one hundred five thousand, nine hundred forty-seven".