120012517 has 2 divisors, whose sum is σ = 120012518. Its totient is φ = 120012516.

The previous prime is 120012491. The next prime is 120012521. The reversal of 120012517 is 715210021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87590881 + 32421636 = 9359^2 + 5694^2 .

It is a cyclic number.

It is not a de Polignac number, because 120012517 - 2²³ = 111623909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120012494 and 120012503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120012547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60006258 + 60006259.

It is an arithmetic number, because the mean of its divisors is an integer number (60006259).

Almost surely, 2^120012517 is an apocalyptic number.

It is an amenable number.

120012517 is a deficient number, since it is larger than the sum of its proper divisors (1).

120012517 is an equidigital number, since it uses as much as digits as its factorization.

120012517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 120012517 is about 10955.0224554768. The cubic root of 120012517 is about 493.2595640346.

Adding to 120012517 its reverse (715210021), we get a palindrome (835222538).

The spelling of 120012517 in words is "one hundred twenty million, twelve thousand, five hundred seventeen".