142205027 has 2 divisors, whose sum is σ = 142205028. Its totient is φ = 142205026.

The previous prime is 142204961. The next prime is 142205047. The reversal of 142205027 is 720502241.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (720502241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142205027 - 2⁸ = 142204771 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142204993 and 142205011.

It is not a weakly prime, because it can be changed into another prime (142205047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71102513 + 71102514.

It is an arithmetic number, because the mean of its divisors is an integer number (71102514).

Almost surely, 2^142205027 is an apocalyptic number.

142205027 is a deficient number, since it is larger than the sum of its proper divisors (1).

142205027 is an equidigital number, since it uses as much as digits as its factorization.

142205027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 142205027 is about 11924.9749265984. The cubic root of 142205027 is about 521.9613147395.

Adding to 142205027 its reverse (720502241), we get a palindrome (862707268).

The spelling of 142205027 in words is "one hundred forty-two million, two hundred five thousand, twenty-seven".