118967647 has 4 divisors (see below), whose sum is σ = 118997560. Its totient is φ = 118937736.

The previous prime is 118967633. The next prime is 118967663. The reversal of 118967647 is 746769811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 746769811 = 8329 ⋅89659.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118967647 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 118967647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118967347) 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, 7872 + ... + 17317.

It is an arithmetic number, because the mean of its divisors is an integer number (29749390).

Almost surely, 2^118967647 is an apocalyptic number.

118967647 is a deficient number, since it is larger than the sum of its proper divisors (29913).

118967647 is an equidigital number, since it uses as much as digits as its factorization.

118967647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29912.

The product of its digits is 508032, while the sum is 49.

The square root of 118967647 is about 10907.2291165080. The cubic root of 118967647 is about 491.8238939974.

The spelling of 118967647 in words is "one hundred eighteen million, nine hundred sixty-seven thousand, six hundred forty-seven".