113162947 has 4 divisors (see below), whose sum is σ = 114526440. Its totient is φ = 111799456.

The previous prime is 113162939. The next prime is 113162953. The reversal of 113162947 is 749261311.

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 113162947 - 2³ = 113162939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113102947) 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, 681622 + ... + 681787.

It is an arithmetic number, because the mean of its divisors is an integer number (28631610).

Almost surely, 2^113162947 is an apocalyptic number.

113162947 is a deficient number, since it is larger than the sum of its proper divisors (1363493).

113162947 is an equidigital number, since it uses as much as digits as its factorization.

113162947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363492.

The product of its digits is 9072, while the sum is 34.

The square root of 113162947 is about 10637.8074338653. The cubic root of 113162947 is about 483.6910850628.

The spelling of 113162947 in words is "one hundred thirteen million, one hundred sixty-two thousand, nine hundred forty-seven".