120517 has 4 divisors (see below), whose sum is σ = 126880. Its totient is φ = 114156.

The previous prime is 120511. The next prime is 120539. The reversal of 120517 is 715021.

120517 = T₁₀₃ + T₁₀₄ + ... + T₁₂₁.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 715021 = 59 ⋅12119.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120517 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3153 + ... + 3190.

It is an arithmetic number, because the mean of its divisors is an integer number (31720).

2¹²⁰⁵¹⁷ is an apocalyptic number.

It is an amenable number.

120517 is a deficient number, since it is larger than the sum of its proper divisors (6363).

120517 is an equidigital number, since it uses as much as digits as its factorization.

120517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6362.

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 120517 is about 347.1555847167. The cubic root of 120517 is about 49.3949750936.

Adding to 120517 its reverse (715021), we get a palindrome (835538).

The spelling of 120517 in words is "one hundred twenty thousand, five hundred seventeen".