852122 has 4 divisors (see below), whose sum is σ = 1278186. Its totient is φ = 426060.

The previous prime is 852121. The next prime is 852139. The reversal of 852122 is 221258.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221258 = 2 ⋅110629.

It can be written as a sum of positive squares in only one way, i.e., 829921 + 22201 = 911^2 + 149^2 .

It is a super-2 number, since 2×852122² = 1452223805768, which contains 22 as substring.

It is a d-powerful number, because it can be written as 8⁶ + 5² + 1 + 2⁷ + 2¹⁶ + 2¹⁹ .

It is a junction number, because it is equal to n+sod(n) for n = 852094 and 852103.

It is not an unprimeable number, because it can be changed into a prime (852121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213029 + ... + 213032.

2⁸⁵²¹²² is an apocalyptic number.

852122 is a deficient number, since it is larger than the sum of its proper divisors (426064).

852122 is a wasteful number, since it uses less digits than its factorization.

852122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426063.

The product of its digits is 320, while the sum is 20.

The square root of 852122 is about 923.1045444585. The cubic root of 852122 is about 94.8055857890.

The spelling of 852122 in words is "eight hundred fifty-two thousand, one hundred twenty-two".