120152171 has 2 divisors, whose sum is σ = 120152172. Its totient is φ = 120152170.

The previous prime is 120152167. The next prime is 120152189. The reversal of 120152171 is 171251021.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (171251021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120152171 - 2² = 120152167 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120152111) 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, 60076085 + 60076086.

It is an arithmetic number, because the mean of its divisors is an integer number (60076086).

Almost surely, 2^120152171 is an apocalyptic number.

120152171 is a deficient number, since it is larger than the sum of its proper divisors (1).

120152171 is an equidigital number, since it uses as much as digits as its factorization.

120152171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 140, while the sum is 20.

The square root of 120152171 is about 10961.3945736845. The cubic root of 120152171 is about 493.4508189977.

The spelling of 120152171 in words is "one hundred twenty million, one hundred fifty-two thousand, one hundred seventy-one".