100912117 has 8 divisors (see below), whose sum is σ = 104101472. Its totient is φ = 97772400.

The previous prime is 100912103. The next prime is 100912121. The reversal of 100912117 is 711219001.

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

It is a cyclic number.

It is not a de Polignac number, because 100912117 - 2¹⁹ = 100387829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100912127) 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, 8259 + ... + 16432.

It is an arithmetic number, because the mean of its divisors is an integer number (13012684).

Almost surely, 2^100912117 is an apocalyptic number.

It is an amenable number.

100912117 is a deficient number, since it is larger than the sum of its proper divisors (3189355).

100912117 is an equidigital number, since it uses as much as digits as its factorization.

100912117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24819.

The product of its (nonzero) digits is 126, while the sum is 22.

The square root of 100912117 is about 10045.5023269123. The cubic root of 100912117 is about 465.5658383281.

The spelling of 100912117 in words is "one hundred million, nine hundred twelve thousand, one hundred seventeen".