101108947 has 4 divisors (see below), whose sum is σ = 101148256. Its totient is φ = 101069640.

The previous prime is 101108941. The next prime is 101108951. The reversal of 101108947 is 749801101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101108947 - 2³ = 101108939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101108941) 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 3 ways as a sum of consecutive naturals, for example, 15504 + ... + 21037.

It is an arithmetic number, because the mean of its divisors is an integer number (25287064).

Almost surely, 2^101108947 is an apocalyptic number.

101108947 is a deficient number, since it is larger than the sum of its proper divisors (39309).

101108947 is an equidigital number, since it uses as much as digits as its factorization.

101108947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39308.

The product of its (nonzero) digits is 2016, while the sum is 31.

The square root of 101108947 is about 10055.2944760459. The cubic root of 101108947 is about 465.8683385344.

The spelling of 101108947 in words is "one hundred one million, one hundred eight thousand, nine hundred forty-seven".