105002191 has 8 divisors (see below), whose sum is σ = 120177440. Its totient is φ = 89870688.

The previous prime is 105002179. The next prime is 105002197. The reversal of 105002191 is 191200501.

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 105002191 - 2⁵ = 105002159 is a prime.

It is a super-2 number, since 2×105002191² = 22050920229600962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105002197) 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 7 ways as a sum of consecutive naturals, for example, 5616 + ... + 15541.

It is an arithmetic number, because the mean of its divisors is an integer number (15022180).

Almost surely, 2^105002191 is an apocalyptic number.

105002191 is a deficient number, since it is larger than the sum of its proper divisors (15175249).

105002191 is an equidigital number, since it uses as much as digits as its factorization.

105002191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21873.

The product of its (nonzero) digits is 90, while the sum is 19.

The square root of 105002191 is about 10247.0576752549. The cubic root of 105002191 is about 471.7726794271.

Adding to 105002191 its reverse (191200501), we get a palindrome (296202692).

The spelling of 105002191 in words is "one hundred five million, two thousand, one hundred ninety-one".