201117938 has 8 divisors (see below), whose sum is σ = 344773632. Its totient is φ = 86193396.

The previous prime is 201117919. The next prime is 201117953. The reversal of 201117938 is 839711102.

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

It is an unprimeable number.

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, 7182770 + ... + 7182797.

It is an arithmetic number, because the mean of its divisors is an integer number (43096704).

Almost surely, 2^201117938 is an apocalyptic number.

201117938 is a deficient number, since it is larger than the sum of its proper divisors (143655694).

201117938 is a wasteful number, since it uses less digits than its factorization.

201117938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14365576.

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 201117938 is about 14181.6056213674. The cubic root of 201117938 is about 585.8911472186.

The spelling of 201117938 in words is "two hundred one million, one hundred seventeen thousand, nine hundred thirty-eight".