8122142 has 24 divisors (see below), whose sum is σ = 14395464. Its totient is φ = 3426192.

The previous prime is 8122133. The next prime is 8122157. The reversal of 8122142 is 2412218.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5948 + ... + 7184.

It is an arithmetic number, because the mean of its divisors is an integer number (599811).

Almost surely, 2^8122142 is an apocalyptic number.

8122142 is a deficient number, since it is larger than the sum of its proper divisors (6273322).

8122142 is a wasteful number, since it uses less digits than its factorization.

8122142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320 (or 1313 counting only the distinct ones).

The product of its digits is 256, while the sum is 20.

The square root of 8122142 is about 2849.9371922904. The cubic root of 8122142 is about 201.0127134026.

The spelling of 8122142 in words is "eight million, one hundred twenty-two thousand, one hundred forty-two".