100947017 has 4 divisors (see below), whose sum is σ = 101380500. Its totient is φ = 100513536.

The previous prime is 100947013. The next prime is 100947031. The reversal of 100947017 is 710749001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 710749001 = 2389 ⋅297509.

It can be written as a sum of positive squares in 2 ways, for example, as 67584841 + 33362176 = 8221^2 + 5776^2 .

It is a cyclic number.

It is not a de Polignac number, because 100947017 - 2² = 100947013 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100947013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216392 + ... + 216857.

It is an arithmetic number, because the mean of its divisors is an integer number (25345125).

Almost surely, 2^100947017 is an apocalyptic number.

It is an amenable number.

100947017 is a deficient number, since it is larger than the sum of its proper divisors (433483).

100947017 is an equidigital number, since it uses as much as digits as its factorization.

100947017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433482.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 100947017 is about 10047.2392725564. The cubic root of 100947017 is about 465.6195034229.

The spelling of 100947017 in words is "one hundred million, nine hundred forty-seven thousand, seventeen".