120131171 has 2 divisors, whose sum is σ = 120131172. Its totient is φ = 120131170.

The previous prime is 120131161. The next prime is 120131177. The reversal of 120131171 is 171131021.

It is a strong prime.

It is an emirp because it is prime and its reverse (171131021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120131171 - 2¹⁰ = 120130147 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120131177) 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, 60065585 + 60065586.

It is an arithmetic number, because the mean of its divisors is an integer number (60065586).

Almost surely, 2^120131171 is an apocalyptic number.

120131171 is a deficient number, since it is larger than the sum of its proper divisors (1).

120131171 is an equidigital number, since it uses as much as digits as its factorization.

120131171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42, while the sum is 17.

The square root of 120131171 is about 10960.4366245146. The cubic root of 120131171 is about 493.4220691469.

Adding to 120131171 its reverse (171131021), we get a palindrome (291262192).

The spelling of 120131171 in words is "one hundred twenty million, one hundred thirty-one thousand, one hundred seventy-one".