118121822 has 32 divisors (see below), whose sum is σ = 229555200. Its totient is φ = 44268768.

The previous prime is 118121821. The next prime is 118121851. The reversal of 118121822 is 228121811.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 118121791 and 118121800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118121821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13622 + ... + 20537.

It is an arithmetic number, because the mean of its divisors is an integer number (7173600).

Almost surely, 2^118121822 is an apocalyptic number.

118121822 is a deficient number, since it is larger than the sum of its proper divisors (111433378).

118121822 is a wasteful number, since it uses less digits than its factorization.

118121822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34200.

The product of its digits is 512, while the sum is 26.

The square root of 118121822 is about 10868.3863567689. The cubic root of 118121822 is about 490.6555462989.

The spelling of 118121822 in words is "one hundred eighteen million, one hundred twenty-one thousand, eight hundred twenty-two".