8120522123 has 4 divisors (see below), whose sum is σ = 9280596720. Its totient is φ = 6960447528.

The previous prime is 8120522089. The next prime is 8120522167. The reversal of 8120522123 is 3212250218.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3212250218 = 2 ⋅1606125109.

It is a cyclic number.

It is not a de Polignac number, because 8120522123 - 2¹⁶ = 8120456587 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8120522092 and 8120522101.

It is not an unprimeable number, because it can be changed into a prime (8120522173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580037288 + ... + 580037301.

It is an arithmetic number, because the mean of its divisors is an integer number (2320149180).

Almost surely, 2^8120522123 is an apocalyptic number.

8120522123 is a deficient number, since it is larger than the sum of its proper divisors (1160074597).

8120522123 is a wasteful number, since it uses less digits than its factorization.

8120522123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160074596.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 8120522123 is about 90113.9396708412. The cubic root of 8120522123 is about 2009.9934921367.

The spelling of 8120522123 in words is "eight billion, one hundred twenty million, five hundred twenty-two thousand, one hundred twenty-three".