7999122 has 16 divisors (see below), whose sum is σ = 16121952. Its totient is φ = 2645760.

The previous prime is 7999087. The next prime is 7999151. The reversal of 7999122 is 2219997.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4303 + ... + 5874.

It is an arithmetic number, because the mean of its divisors is an integer number (1007622).

Almost surely, 2^7999122 is an apocalyptic number.

7999122 is an abundant number, since it is smaller than the sum of its proper divisors (8122830).

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

7999122 is a wasteful number, since it uses less digits than its factorization.

7999122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10313.

The product of its digits is 20412, while the sum is 39.

The square root of 7999122 is about 2828.2719105489. The cubic root of 7999122 is about 199.9926830656.

The spelling of 7999122 in words is "seven million, nine hundred ninety-nine thousand, one hundred twenty-two".