118211842 has 8 divisors (see below), whose sum is σ = 202648896. Its totient is φ = 50662212.

The previous prime is 118211827. The next prime is 118211843. The reversal of 118211842 is 248112811.

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

It is a self number, because there is not a number n which added to its sum of digits gives 118211842.

It is not an unprimeable number, because it can be changed into a prime (118211843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4221838 + ... + 4221865.

It is an arithmetic number, because the mean of its divisors is an integer number (25331112).

Almost surely, 2^118211842 is an apocalyptic number.

118211842 is a deficient number, since it is larger than the sum of its proper divisors (84437054).

118211842 is an equidigital number, since it uses as much as digits as its factorization.

118211842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8443712.

The product of its digits is 1024, while the sum is 28.

The square root of 118211842 is about 10872.5269371936. The cubic root of 118211842 is about 490.7801566263.

The spelling of 118211842 in words is "one hundred eighteen million, two hundred eleven thousand, eight hundred forty-two".