120242417 has 2 divisors, whose sum is σ = 120242418. Its totient is φ = 120242416.

The previous prime is 120242401. The next prime is 120242443. The reversal of 120242417 is 714242021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106172416 + 14070001 = 10304^2 + 3751^2 .

It is a cyclic number.

It is not a de Polignac number, because 120242417 - 2⁴ = 120242401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120242392 and 120242401.

It is not a weakly prime, because it can be changed into another prime (120242477) 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, 60121208 + 60121209.

It is an arithmetic number, because the mean of its divisors is an integer number (60121209).

Almost surely, 2^120242417 is an apocalyptic number.

It is an amenable number.

120242417 is a deficient number, since it is larger than the sum of its proper divisors (1).

120242417 is an equidigital number, since it uses as much as digits as its factorization.

120242417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 120242417 is about 10965.5103392409. The cubic root of 120242417 is about 493.5743313116.

Adding to 120242417 its reverse (714242021), we get a palindrome (834484438).

It can be divided in two parts, 12024 and 2417, that added together give a palindrome (14441).

The spelling of 120242417 in words is "one hundred twenty million, two hundred forty-two thousand, four hundred seventeen".