101672217 has 6 divisors (see below), whose sum is σ = 146859882. Its totient is φ = 67781472.

The previous prime is 101672209. The next prime is 101672237. The reversal of 101672217 is 712276101.

It can be written as a sum of positive squares in only one way, i.e., 101123136 + 549081 = 10056^2 + 741^2 .

It is not a de Polignac number, because 101672217 - 2³ = 101672209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101672237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5648448 + ... + 5648465.

It is an arithmetic number, because the mean of its divisors is an integer number (24476647).

Almost surely, 2^101672217 is an apocalyptic number.

It is an amenable number.

101672217 is a deficient number, since it is larger than the sum of its proper divisors (45187665).

101672217 is a wasteful number, since it uses less digits than its factorization.

101672217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11296919 (or 11296916 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 27.

The square root of 101672217 is about 10083.2642036198. The cubic root of 101672217 is about 466.7318423142.

The spelling of 101672217 in words is "one hundred one million, six hundred seventy-two thousand, two hundred seventeen".