120520232617 has 2 divisors, whose sum is σ = 120520232618. Its totient is φ = 120520232616.

The previous prime is 120520232533. The next prime is 120520232621. The reversal of 120520232617 is 716232025021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109558352016 + 10961880601 = 330996^2 + 104699^2 .

It is a cyclic number.

It is not a de Polignac number, because 120520232617 - 2¹⁹ = 120519708329 is a prime.

It is not a weakly prime, because it can be changed into another prime (120520232317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60260116308 + 60260116309.

It is an arithmetic number, because the mean of its divisors is an integer number (60260116309).

Almost surely, 2^120520232617 is an apocalyptic number.

It is an amenable number.

120520232617 is a deficient number, since it is larger than the sum of its proper divisors (1).

120520232617 is an equidigital number, since it uses as much as digits as its factorization.

120520232617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 31.

Adding to 120520232617 its reverse (716232025021), we get a palindrome (836752257638).

The spelling of 120520232617 in words is "one hundred twenty billion, five hundred twenty million, two hundred thirty-two thousand, six hundred seventeen".