8120124017 has 2 divisors, whose sum is σ = 8120124018. Its totient is φ = 8120124016.

The previous prime is 8120124013. The next prime is 8120124119. The reversal of 8120124017 is 7104210218.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4505228641 + 3614895376 = 67121^2 + 60124^2 .

It is a cyclic number.

It is not a de Polignac number, because 8120124017 - 2² = 8120124013 is a prime.

It is not a weakly prime, because it can be changed into another prime (8120124013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4060062008 + 4060062009.

It is an arithmetic number, because the mean of its divisors is an integer number (4060062009).

Almost surely, 2^8120124017 is an apocalyptic number.

It is an amenable number.

8120124017 is a deficient number, since it is larger than the sum of its proper divisors (1).

8120124017 is an equidigital number, since it uses as much as digits as its factorization.

8120124017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 8120124017 is about 90111.7307402316. The cubic root of 8120124017 is about 2009.9606451706.

The spelling of 8120124017 in words is "eight billion, one hundred twenty million, one hundred twenty-four thousand, seventeen".