120170143 has 2 divisors, whose sum is σ = 120170144. Its totient is φ = 120170142.

The previous prime is 120170137. The next prime is 120170159. The reversal of 120170143 is 341071021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120170143 - 2⁵ = 120170111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120170143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120170243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60085071 + 60085072.

It is an arithmetic number, because the mean of its divisors is an integer number (60085072).

Almost surely, 2^120170143 is an apocalyptic number.

120170143 is a deficient number, since it is larger than the sum of its proper divisors (1).

120170143 is an equidigital number, since it uses as much as digits as its factorization.

120170143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 120170143 is about 10962.2143292311. The cubic root of 120170143 is about 493.4754207338.

The spelling of 120170143 in words is "one hundred twenty million, one hundred seventy thousand, one hundred forty-three".