101080191 has 8 divisors (see below), whose sum is σ = 134853040. Its totient is φ = 67347072.

The previous prime is 101080159. The next prime is 101080201. The reversal of 101080191 is 191080101.

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

It is not a de Polignac number, because 101080191 - 2⁵ = 101080159 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 (101080121) 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, 3376 + ... + 14613.

It is an arithmetic number, because the mean of its divisors is an integer number (16856630).

Almost surely, 2^101080191 is an apocalyptic number.

101080191 is a deficient number, since it is larger than the sum of its proper divisors (33772849).

101080191 is a wasteful number, since it uses less digits than its factorization.

101080191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19865.

The product of its (nonzero) digits is 72, while the sum is 21.

The square root of 101080191 is about 10053.8644808849. The cubic root of 101080191 is about 465.8241690830.

The spelling of 101080191 in words is "one hundred one million, eighty thousand, one hundred ninety-one".