8122919 has 8 divisors (see below), whose sum is σ = 9302400. Its totient is φ = 6948216.

The previous prime is 8122909. The next prime is 8122921. The reversal of 8122919 is 9192218.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8122919 - 2⁴ = 8122903 is a prime.

It is a super-2 number, since 2×8122919² = 131963626161122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8122909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3932 + ... + 5630.

It is an arithmetic number, because the mean of its divisors is an integer number (1162800).

Almost surely, 2^8122919 is an apocalyptic number.

8122919 is a deficient number, since it is larger than the sum of its proper divisors (1179481).

8122919 is a wasteful number, since it uses less digits than its factorization.

8122919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2389.

The product of its digits is 2592, while the sum is 32.

The square root of 8122919 is about 2850.0735078240. The cubic root of 8122919 is about 201.0191231197.

The spelling of 8122919 in words is "eight million, one hundred twenty-two thousand, nine hundred nineteen".