842122 has 8 divisors (see below), whose sum is σ = 1318176. Its totient is φ = 402732.

The previous prime is 842113. The next prime is 842141. The reversal of 842122 is 221248.

842122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 842122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9108 + ... + 9199.

It is an arithmetic number, because the mean of its divisors is an integer number (164772).

2⁸⁴²¹²² is an apocalyptic number.

842122 is a deficient number, since it is larger than the sum of its proper divisors (476054).

842122 is a wasteful number, since it uses less digits than its factorization.

842122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18332.

The product of its digits is 256, while the sum is 19.

The square root of 842122 is about 917.6720547124. The cubic root of 842122 is about 94.4332647538.

The spelling of 842122 in words is "eight hundred forty-two thousand, one hundred twenty-two".