118871826 has 8 divisors (see below), whose sum is σ = 237743664. Its totient is φ = 39623940.

The previous prime is 118871801. The next prime is 118871867. The reversal of 118871826 is 628178811.

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

118871826 is an admirable number.

It is a super-2 number, since 2×118871826² = 28261022033148552, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9905980 + ... + 9905991.

It is an arithmetic number, because the mean of its divisors is an integer number (29717958).

Almost surely, 2^118871826 is an apocalyptic number.

118871826 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118871826 is a wasteful number, since it uses less digits than its factorization.

118871826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19811976.

The product of its digits is 43008, while the sum is 42.

The square root of 118871826 is about 10902.8356861873. The cubic root of 118871826 is about 491.6918140669.

The spelling of 118871826 in words is "one hundred eighteen million, eight hundred seventy-one thousand, eight hundred twenty-six".