142114121 has 2 divisors, whose sum is σ = 142114122. Its totient is φ = 142114120.

The previous prime is 142114117. The next prime is 142114139. The reversal of 142114121 is 121411241.

142114121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102738496 + 39375625 = 10136^2 + 6275^2 .

It is a cyclic number.

It is not a de Polignac number, because 142114121 - 2² = 142114117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142114121.

It is not a weakly prime, because it can be changed into another prime (142111121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71057060 + 71057061.

It is an arithmetic number, because the mean of its divisors is an integer number (71057061).

Almost surely, 2^142114121 is an apocalyptic number.

It is an amenable number.

142114121 is a deficient number, since it is larger than the sum of its proper divisors (1).

142114121 is an equidigital number, since it uses as much as digits as its factorization.

142114121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64, while the sum is 17.

The square root of 142114121 is about 11921.1627369145. The cubic root of 142114121 is about 521.8500680166.

Adding to 142114121 its reverse (121411241), we get a palindrome (263525362).

The spelling of 142114121 in words is "one hundred forty-two million, one hundred fourteen thousand, one hundred twenty-one".