142500122 has 16 divisors (see below), whose sum is σ = 215658240. Its totient is φ = 70617312.

The previous prime is 142500109. The next prime is 142500131. The reversal of 142500122 is 221005241.

It is a self number, because there is not a number n which added to its sum of digits gives 142500122.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 125654 + ... + 126782.

It is an arithmetic number, because the mean of its divisors is an integer number (13478640).

Almost surely, 2^142500122 is an apocalyptic number.

142500122 is a deficient number, since it is larger than the sum of its proper divisors (73158118).

142500122 is a wasteful number, since it uses less digits than its factorization.

142500122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1637.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 142500122 is about 11937.3414963299. The cubic root of 142500122 is about 522.3221124714.

Adding to 142500122 its reverse (221005241), we get a palindrome (363505363).

The spelling of 142500122 in words is "one hundred forty-two million, five hundred thousand, one hundred twenty-two".