118419806 has 4 divisors (see below), whose sum is σ = 177629712. Its totient is φ = 59209902.

The previous prime is 118419803. The next prime is 118419823. The reversal of 118419806 is 608914811.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 118419806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118419803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29604950 + ... + 29604953.

It is an arithmetic number, because the mean of its divisors is an integer number (44407428).

Almost surely, 2^118419806 is an apocalyptic number.

118419806 is a deficient number, since it is larger than the sum of its proper divisors (59209906).

118419806 is an equidigital number, since it uses as much as digits as its factorization.

118419806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59209905.

The product of its (nonzero) digits is 13824, while the sum is 38.

The square root of 118419806 is about 10882.0864727312. The cubic root of 118419806 is about 491.0677894299.

The spelling of 118419806 in words is "one hundred eighteen million, four hundred nineteen thousand, eight hundred six".