118407947 has 8 divisors (see below), whose sum is σ = 136106976. Its totient is φ = 100904832.

The previous prime is 118407937. The next prime is 118407953. The reversal of 118407947 is 749704811.

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

It is not a de Polignac number, because 118407947 - 2⁴ = 118407931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118407937) by changing a digit.

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, 47678 + ... + 50099.

It is an arithmetic number, because the mean of its divisors is an integer number (17013372).

Almost surely, 2^118407947 is an apocalyptic number.

118407947 is a deficient number, since it is larger than the sum of its proper divisors (17699029).

118407947 is an equidigital number, since it uses as much as digits as its factorization.

118407947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97957.

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 118407947 is about 10881.5415727736. The cubic root of 118407947 is about 491.0513964308.

The spelling of 118407947 in words is "one hundred eighteen million, four hundred seven thousand, nine hundred forty-seven".