120285317 has 2 divisors, whose sum is σ = 120285318. Its totient is φ = 120285316.

The previous prime is 120285287. The next prime is 120285323. The reversal of 120285317 is 713582021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96216481 + 24068836 = 9809^2 + 4906^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120285317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120285317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120285397) 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 as a sum of consecutive naturals, namely, 60142658 + 60142659.

It is an arithmetic number, because the mean of its divisors is an integer number (60142659).

Almost surely, 2^120285317 is an apocalyptic number.

It is an amenable number.

120285317 is a deficient number, since it is larger than the sum of its proper divisors (1).

120285317 is an equidigital number, since it uses as much as digits as its factorization.

120285317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 120285317 is about 10967.4662981019. The cubic root of 120285317 is about 493.6330233596.

The spelling of 120285317 in words is "one hundred twenty million, two hundred eighty-five thousand, three hundred seventeen".