120120017 has 4 divisors (see below), whose sum is σ = 121183140. Its totient is φ = 119056896.

The previous prime is 120119999. The next prime is 120120031. The reversal of 120120017 is 710021021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 710021021 = 4663 ⋅152267.

It can be written as a sum of positive squares in 2 ways, for example, as 13535041 + 106584976 = 3679^2 + 10324^2 .

It is a cyclic number.

It is not a de Polignac number, because 120120017 - 2⁶ = 120119953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120119983 and 120120010.

It is not an unprimeable number, because it can be changed into a prime (120120097) 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, 531392 + ... + 531617.

It is an arithmetic number, because the mean of its divisors is an integer number (30295785).

Almost surely, 2^120120017 is an apocalyptic number.

It is an amenable number.

120120017 is a deficient number, since it is larger than the sum of its proper divisors (1063123).

120120017 is a wasteful number, since it uses less digits than its factorization.

120120017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063122.

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 120120017 is about 10959.9277826088. The cubic root of 120120017 is about 493.4067975066.

Adding to 120120017 its reverse (710021021), we get a palindrome (830141038).

The spelling of 120120017 in words is "one hundred twenty million, one hundred twenty thousand, seventeen".