8542122 has 32 divisors (see below), whose sum is σ = 17696448. Its totient is φ = 2747136.

The previous prime is 8542069. The next prime is 8542129. The reversal of 8542122 is 2212458.

It is a junction number, because it is equal to n+sod(n) for n = 8542092 and 8542101.

It is not an unprimeable number, because it can be changed into a prime (8542129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29008 + ... + 29300.

It is an arithmetic number, because the mean of its divisors is an integer number (553014).

Almost surely, 2^8542122 is an apocalyptic number.

8542122 is an abundant number, since it is smaller than the sum of its proper divisors (9154326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8542122 is a wasteful number, since it uses less digits than its factorization.

8542122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454.

The product of its digits is 1280, while the sum is 24.

The square root of 8542122 is about 2922.6908834155. The cubic root of 8542122 is about 204.4193124650.

The spelling of 8542122 in words is "eight million, five hundred forty-two thousand, one hundred twenty-two".