120143017 has 2 divisors, whose sum is σ = 120143018. Its totient is φ = 120143016.

The previous prime is 120143003. The next prime is 120143041. The reversal of 120143017 is 710341021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102637161 + 17505856 = 10131^2 + 4184^2 .

It is a cyclic number.

It is not a de Polignac number, because 120143017 - 2¹⁹ = 119618729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120142985 and 120143003.

It is not a weakly prime, because it can be changed into another prime (120143087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60071508 + 60071509.

It is an arithmetic number, because the mean of its divisors is an integer number (60071509).

Almost surely, 2^120143017 is an apocalyptic number.

It is an amenable number.

120143017 is a deficient number, since it is larger than the sum of its proper divisors (1).

120143017 is an equidigital number, since it uses as much as digits as its factorization.

120143017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 120143017 is about 10960.9770093728. The cubic root of 120143017 is about 493.4382872127.

Adding to 120143017 its reverse (710341021), we get a palindrome (830484038).

The spelling of 120143017 in words is "one hundred twenty million, one hundred forty-three thousand, seventeen".