11870143 has 2 divisors, whose sum is σ = 11870144. Its totient is φ = 11870142.

The previous prime is 11870141. The next prime is 11870147. The reversal of 11870143 is 34107811.

11870143 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11870143 - 2¹ = 11870141 is a prime.

Together with 11870141, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11870141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5935071 + 5935072.

It is an arithmetic number, because the mean of its divisors is an integer number (5935072).

Almost surely, 2^11870143 is an apocalyptic number.

11870143 is a deficient number, since it is larger than the sum of its proper divisors (1).

11870143 is an equidigital number, since it uses as much as digits as its factorization.

11870143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 11870143 is about 3445.3073883182. The cubic root of 11870143 is about 228.1140229409.

Adding to 11870143 its reverse (34107811), we get a palindrome (45977954).

The spelling of 11870143 in words is "eleven million, eight hundred seventy thousand, one hundred forty-three".