860109143 has 2 divisors, whose sum is σ = 860109144. Its totient is φ = 860109142.

The previous prime is 860109097. The next prime is 860109161. The reversal of 860109143 is 341901068.

It is a happy number.

860109143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 860109143 - 2⁶ = 860109079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (860109643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430054571 + 430054572.

It is an arithmetic number, because the mean of its divisors is an integer number (430054572).

Almost surely, 2^860109143 is an apocalyptic number.

860109143 is a deficient number, since it is larger than the sum of its proper divisors (1).

860109143 is an equidigital number, since it uses as much as digits as its factorization.

860109143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 860109143 is about 29327.6174108979. The cubic root of 860109143 is about 951.0087688907.

The spelling of 860109143 in words is "eight hundred sixty million, one hundred nine thousand, one hundred forty-three".