100117906 has 8 divisors (see below), whose sum is σ = 171630720. Its totient is φ = 42907668.

The previous prime is 100117903. The next prime is 100117931. The reversal of 100117906 is 609711001.

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

It is not an unprimeable number, because it can be changed into a prime (100117903) by changing a digit.

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, 3575626 + ... + 3575653.

It is an arithmetic number, because the mean of its divisors is an integer number (21453840).

Almost surely, 2^100117906 is an apocalyptic number.

100117906 is a deficient number, since it is larger than the sum of its proper divisors (71512814).

100117906 is an equidigital number, since it uses as much as digits as its factorization.

100117906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7151288.

The product of its (nonzero) digits is 378, while the sum is 25.

The square root of 100117906 is about 10005.8935632956. The cubic root of 100117906 is about 464.3412354364.

Adding to 100117906 its reverse (609711001), we get a palindrome (709828907).

The spelling of 100117906 in words is "one hundred million, one hundred seventeen thousand, nine hundred six".