118220041 has 4 divisors (see below), whose sum is σ = 119885184. Its totient is φ = 116554900.

The previous prime is 118220021. The next prime is 118220059. The reversal of 118220041 is 140022811.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 118220041 - 2¹⁵ = 118187273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118220021) 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 3 ways as a sum of consecutive naturals, for example, 832465 + ... + 832606.

It is an arithmetic number, because the mean of its divisors is an integer number (29971296).

Almost surely, 2^118220041 is an apocalyptic number.

It is an amenable number.

118220041 is a deficient number, since it is larger than the sum of its proper divisors (1665143).

118220041 is an equidigital number, since it uses as much as digits as its factorization.

118220041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665142.

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 118220041 is about 10872.9039819176. The cubic root of 118220041 is about 490.7915029613.

Adding to 118220041 its reverse (140022811), we get a palindrome (258242852).

The spelling of 118220041 in words is "one hundred eighteen million, two hundred twenty thousand, forty-one".