117821204 has 48 divisors (see below), whose sum is σ = 229447680. Its totient is φ = 52708320.

The previous prime is 117821189. The next prime is 117821213. The reversal of 117821204 is 402128711.

It is a super-3 number, since 3×117821204³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 100727 + ... + 101889.

It is an arithmetic number, because the mean of its divisors is an integer number (4780160).

Almost surely, 2^117821204 is an apocalyptic number.

It is an amenable number.

117821204 is a deficient number, since it is larger than the sum of its proper divisors (111626476).

117821204 is a wasteful number, since it uses less digits than its factorization.

117821204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260 (or 1258 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 117821204 is about 10854.5476183948. The cubic root of 117821204 is about 490.2389560591.

Adding to 117821204 its reverse (402128711), we get a palindrome (519949915).

The spelling of 117821204 in words is "one hundred seventeen million, eight hundred twenty-one thousand, two hundred four".