8120063 has 4 divisors (see below), whose sum is σ = 9280080. Its totient is φ = 6960048.

The previous prime is 8120051. The next prime is 8120069. The reversal of 8120063 is 3600218.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8120063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8120069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579998 + ... + 580011.

It is an arithmetic number, because the mean of its divisors is an integer number (2320020).

Almost surely, 2^8120063 is an apocalyptic number.

8120063 is a deficient number, since it is larger than the sum of its proper divisors (1160017).

8120063 is a wasteful number, since it uses less digits than its factorization.

8120063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160016.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 8120063 is about 2849.5724240665. The cubic root of 8120063 is about 200.9955610679.

The spelling of 8120063 in words is "eight million, one hundred twenty thousand, sixty-three".