142857122 has 16 divisors (see below), whose sum is σ = 217512960. Its totient is φ = 70357248.

The previous prime is 142857107. The next prime is 142857133. The reversal of 142857122 is 221758241.

142857122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×142857122² = 40816314612245768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90383 + ... + 91949.

It is an arithmetic number, because the mean of its divisors is an integer number (13594560).

Almost surely, 2^142857122 is an apocalyptic number.

142857122 is a deficient number, since it is larger than the sum of its proper divisors (74655838).

142857122 is a wasteful number, since it uses less digits than its factorization.

142857122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2225.

The product of its digits is 8960, while the sum is 32.

The square root of 142857122 is about 11952.2852208270. The cubic root of 142857122 is about 522.7579331338.

The spelling of 142857122 in words is "one hundred forty-two million, eight hundred fifty-seven thousand, one hundred twenty-two".