118112447 has 8 divisors (see below), whose sum is σ = 129373200. Its totient is φ = 107330944.

The previous prime is 118112437. The next prime is 118112537. The reversal of 118112447 is 744211811.

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 118112447 - 2¹⁴ = 118096063 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118112437) 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, 119297 + ... + 120282.

It is an arithmetic number, because the mean of its divisors is an integer number (16171650).

Almost surely, 2^118112447 is an apocalyptic number.

118112447 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

118112447 is a deficient number, since it is larger than the sum of its proper divisors (11260753).

118112447 is a wasteful number, since it uses less digits than its factorization.

118112447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239625.

The product of its digits is 1792, while the sum is 29.

The square root of 118112447 is about 10867.9550514345. The cubic root of 118112447 is about 490.6425653008.

The spelling of 118112447 in words is "one hundred eighteen million, one hundred twelve thousand, four hundred forty-seven".