10871191 has 4 divisors (see below), whose sum is σ = 11136384. Its totient is φ = 10606000.

The previous prime is 10871167. The next prime is 10871197. The reversal of 10871191 is 19117801.

10871191 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19117801 = 1823 ⋅10487.

It is a cyclic number.

It is not a de Polignac number, because 10871191 - 2¹¹ = 10869143 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 (10871197) 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, 132535 + ... + 132616.

It is an arithmetic number, because the mean of its divisors is an integer number (2784096).

Almost surely, 2^10871191 is an apocalyptic number.

10871191 is a deficient number, since it is larger than the sum of its proper divisors (265193).

10871191 is an equidigital number, since it uses as much as digits as its factorization.

10871191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265192.

The product of its (nonzero) digits is 504, while the sum is 28.

The square root of 10871191 is about 3297.1489199003. The cubic root of 10871191 is about 221.5265116115.

Adding to 10871191 its reverse (19117801), we get a palindrome (29988992).

It can be divided in two parts, 1087 and 1191, that added together give a triangular number (2278 = T₆₇).

The spelling of 10871191 in words is "ten million, eight hundred seventy-one thousand, one hundred ninety-one".