120217717 has 4 divisors (see below), whose sum is σ = 120720960. Its totient is φ = 119714476.

The previous prime is 120217667. The next prime is 120217753. The reversal of 120217717 is 717712021.

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.

It is a cyclic number.

It is not a de Polignac number, because 120217717 - 2⁷ = 120217589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120257717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251263 + ... + 251740.

It is an arithmetic number, because the mean of its divisors is an integer number (30180240).

Almost surely, 2^120217717 is an apocalyptic number.

It is an amenable number.

120217717 is a deficient number, since it is larger than the sum of its proper divisors (503243).

120217717 is an equidigital number, since it uses as much as digits as its factorization.

120217717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503242.

The product of its (nonzero) digits is 1372, while the sum is 28.

The square root of 120217717 is about 10964.3840228259. The cubic root of 120217717 is about 493.5405325874.

Adding to 120217717 its reverse (717712021), we get a palindrome (837929738).

The spelling of 120217717 in words is "one hundred twenty million, two hundred seventeen thousand, seven hundred seventeen".