142187107 has 2 divisors, whose sum is σ = 142187108. Its totient is φ = 142187106.

The previous prime is 142187083. The next prime is 142187113. The reversal of 142187107 is 701781241.

142187107 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 a de Polignac number, because none of the positive numbers 2^k-142187107 is a prime.

It is not a weakly prime, because it can be changed into another prime (142181107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71093553 + 71093554.

It is an arithmetic number, because the mean of its divisors is an integer number (71093554).

Almost surely, 2^142187107 is an apocalyptic number.

142187107 is a deficient number, since it is larger than the sum of its proper divisors (1).

142187107 is an equidigital number, since it uses as much as digits as its factorization.

142187107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3136, while the sum is 31.

The square root of 142187107 is about 11924.2235386628. The cubic root of 142187107 is about 521.9393887925.

The spelling of 142187107 in words is "one hundred forty-two million, one hundred eighty-seven thousand, one hundred seven".