118946219 has 4 divisors (see below), whose sum is σ = 135938544. Its totient is φ = 101953896.

The previous prime is 118946203. The next prime is 118946227. The reversal of 118946219 is 912649811.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 118946219 - 2⁴ = 118946203 is a prime.

It is a super-2 number, since 2×118946219² = 28296406028791922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (118946249) 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, 8496152 + ... + 8496165.

It is an arithmetic number, because the mean of its divisors is an integer number (33984636).

Almost surely, 2^118946219 is an apocalyptic number.

118946219 is a deficient number, since it is larger than the sum of its proper divisors (16992325).

118946219 is an equidigital number, since it uses as much as digits as its factorization.

118946219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16992324.

The product of its digits is 31104, while the sum is 41.

The square root of 118946219 is about 10906.2467879651. The cubic root of 118946219 is about 491.7943637415.

The spelling of 118946219 in words is "one hundred eighteen million, nine hundred forty-six thousand, two hundred nineteen".