118814643 has 12 divisors (see below), whose sum is σ = 172074240. Its totient is φ = 79000656.

The previous prime is 118814639. The next prime is 118814669. The reversal of 118814643 is 346418811.

It is a happy number.

118814643 is a `hidden beast` number, since 1 + 1 + 8 + 8 + 1 + 4 + 643 = 666.

It is not a de Polignac number, because 118814643 - 2² = 118814639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 118814598 and 118814607.

It is not an unprimeable number, because it can be changed into a prime (118814243) 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 11 ways as a sum of consecutive naturals, for example, 13788 + ... + 20681.

It is an arithmetic number, because the mean of its divisors is an integer number (14339520).

Almost surely, 2^118814643 is an apocalyptic number.

118814643 is a deficient number, since it is larger than the sum of its proper divisors (53259597).

118814643 is a wasteful number, since it uses less digits than its factorization.

118814643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34858 (or 34855 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 118814643 is about 10900.2129795706. The cubic root of 118814643 is about 491.6129590413.

The spelling of 118814643 in words is "one hundred eighteen million, eight hundred fourteen thousand, six hundred forty-three".