120442171 has 2 divisors, whose sum is σ = 120442172. Its totient is φ = 120442170.

The previous prime is 120442111. The next prime is 120442181. The reversal of 120442171 is 171244021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120442171 - 2¹³ = 120433979 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120442111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60221085 + 60221086.

It is an arithmetic number, because the mean of its divisors is an integer number (60221086).

Almost surely, 2^120442171 is an apocalyptic number.

120442171 is a deficient number, since it is larger than the sum of its proper divisors (1).

120442171 is an equidigital number, since it uses as much as digits as its factorization.

120442171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 120442171 is about 10974.6148451779. The cubic root of 120442171 is about 493.8474986439.

Adding to 120442171 its reverse (171244021), we get a palindrome (291686192).

The spelling of 120442171 in words is "one hundred twenty million, four hundred forty-two thousand, one hundred seventy-one".