120287143 has 2 divisors, whose sum is σ = 120287144. Its totient is φ = 120287142.

The previous prime is 120287113. The next prime is 120287159. The reversal of 120287143 is 341782021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120287143 - 2²¹ = 118189991 is a prime.

It is a super-2 number, since 2×120287143² = 28937993542204898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120287113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60143571 + 60143572.

It is an arithmetic number, because the mean of its divisors is an integer number (60143572).

Almost surely, 2^120287143 is an apocalyptic number.

120287143 is a deficient number, since it is larger than the sum of its proper divisors (1).

120287143 is an equidigital number, since it uses as much as digits as its factorization.

120287143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 120287143 is about 10967.5495439957. The cubic root of 120287143 is about 493.6355212243.

The spelling of 120287143 in words is "one hundred twenty million, two hundred eighty-seven thousand, one hundred forty-three".