8122144 has 24 divisors (see below), whose sum is σ = 16295580. Its totient is φ = 3983616.

The previous prime is 8122133. The next prime is 8122157. The reversal of 8122144 is 4412218.

It can be written as a sum of positive squares in 2 ways, for example, as 7952400 + 169744 = 2820^2 + 412^2 .

It is a nude number because it is divisible by every one of its digits.

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, 699 + ... + 4090.

Almost surely, 2^8122144 is an apocalyptic number.

It is an amenable number.

8122144 is an abundant number, since it is smaller than the sum of its proper divisors (8173436).

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

8122144 is a wasteful number, since it uses less digits than its factorization.

8122144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4852 (or 4844 counting only the distinct ones).

The product of its digits is 512, while the sum is 22.

The square root of 8122144 is about 2849.9375431753. The cubic root of 8122144 is about 201.0127299017.

It can be divided in two parts, 812214 and 4, that added together give a palindrome (812218).

The spelling of 8122144 in words is "eight million, one hundred twenty-two thousand, one hundred forty-four".