120280517 has 8 divisors (see below), whose sum is σ = 138162816. Its totient is φ = 102573072.

The previous prime is 120280513. The next prime is 120280549. The reversal of 120280517 is 715082021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120280517 - 2² = 120280513 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 (120280513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42233 + ... + 44990.

It is an arithmetic number, because the mean of its divisors is an integer number (17270352).

Almost surely, 2^120280517 is an apocalyptic number.

It is an amenable number.

120280517 is a deficient number, since it is larger than the sum of its proper divisors (17882299).

120280517 is an equidigital number, since it uses as much as digits as its factorization.

120280517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87427.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 120280517 is about 10967.2474668898. The cubic root of 120280517 is about 493.6264571106.

The spelling of 120280517 in words is "one hundred twenty million, two hundred eighty thousand, five hundred seventeen".