120004517 has 2 divisors, whose sum is σ = 120004518. Its totient is φ = 120004516.

The previous prime is 120004487. The next prime is 120004537. The reversal of 120004517 is 715400021.

It is an a-pointer prime, because the next prime (120004537) can be obtained adding 120004517 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110481121 + 9523396 = 10511^2 + 3086^2 .

It is a cyclic number.

It is not a de Polignac number, because 120004517 - 2⁶ = 120004453 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120004537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60002258 + 60002259.

It is an arithmetic number, because the mean of its divisors is an integer number (60002259).

Almost surely, 2^120004517 is an apocalyptic number.

It is an amenable number.

120004517 is a deficient number, since it is larger than the sum of its proper divisors (1).

120004517 is an equidigital number, since it uses as much as digits as its factorization.

120004517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 120004517 is about 10954.6573200625. The cubic root of 120004517 is about 493.2486036106.

Adding to 120004517 its reverse (715400021), we get a palindrome (835404538).

The spelling of 120004517 in words is "one hundred twenty million, four thousand, five hundred seventeen".