120817273 has 2 divisors, whose sum is σ = 120817274. Its totient is φ = 120817272.

The previous prime is 120817253. The next prime is 120817297. The reversal of 120817273 is 372718021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96294969 + 24522304 = 9813^2 + 4952^2 .

It is a cyclic number.

It is not a de Polignac number, because 120817273 - 2¹⁷ = 120686201 is a prime.

It is not a weakly prime, because it can be changed into another prime (120817253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60408636 + 60408637.

It is an arithmetic number, because the mean of its divisors is an integer number (60408637).

Almost surely, 2^120817273 is an apocalyptic number.

It is an amenable number.

120817273 is a deficient number, since it is larger than the sum of its proper divisors (1).

120817273 is an equidigital number, since it uses as much as digits as its factorization.

120817273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 120817273 is about 10991.6910891819. The cubic root of 120817273 is about 494.3596426584.

It can be divided in two parts, 1208 and 17273, that added together give a palindrome (18481).

The spelling of 120817273 in words is "one hundred twenty million, eight hundred seventeen thousand, two hundred seventy-three".