118224861 has 8 divisors (see below), whose sum is σ = 159258624. Its totient is φ = 78003840.

The previous prime is 118224857. The next prime is 118224863. The reversal of 118224861 is 168422811.

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

It is not a de Polignac number, because 118224861 - 2² = 118224857 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118224863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202845 + ... + 203426.

It is an arithmetic number, because the mean of its divisors is an integer number (19907328).

Almost surely, 2^118224861 is an apocalyptic number.

It is an amenable number.

118224861 is a deficient number, since it is larger than the sum of its proper divisors (41033763).

118224861 is an equidigital number, since it uses as much as digits as its factorization.

118224861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406371.

The product of its digits is 6144, while the sum is 33.

The square root of 118224861 is about 10873.1256315744. The cubic root of 118224861 is about 490.7981729610.

The spelling of 118224861 in words is "one hundred eighteen million, two hundred twenty-four thousand, eight hundred sixty-one".