201117794 has 16 divisors (see below), whose sum is σ = 315266688. Its totient is φ = 96128592.

The previous prime is 201117779. The next prime is 201117799. The reversal of 201117794 is 497711102.

201117794 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 201117794.

It is not an unprimeable number, because it can be changed into a prime (201117799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20837 + ... + 28920.

It is an arithmetic number, because the mean of its divisors is an integer number (19704168).

Almost surely, 2^201117794 is an apocalyptic number.

201117794 is a deficient number, since it is larger than the sum of its proper divisors (114148894).

201117794 is a wasteful number, since it uses less digits than its factorization.

201117794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49849.

The product of its (nonzero) digits is 3528, while the sum is 32.

The square root of 201117794 is about 14181.6005443673. The cubic root of 201117794 is about 585.8910073863.

Adding to 201117794 its reverse (497711102), we get a palindrome (698828896).

The spelling of 201117794 in words is "two hundred one million, one hundred seventeen thousand, seven hundred ninety-four".