120122171 has 16 divisors (see below), whose sum is σ = 132384000. Its totient is φ = 108317088.

The previous prime is 120122111. The next prime is 120122203. The reversal of 120122171 is 171221021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120122171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120122111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152240 + ... + 153026.

It is an arithmetic number, because the mean of its divisors is an integer number (8274000).

Almost surely, 2^120122171 is an apocalyptic number.

120122171 is a deficient number, since it is larger than the sum of its proper divisors (12261829).

120122171 is a wasteful number, since it uses less digits than its factorization.

120122171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058.

The product of its (nonzero) digits is 56, while the sum is 17.

The square root of 120122171 is about 10960.0260492391. The cubic root of 120122171 is about 493.4097467566.

Adding to 120122171 its reverse (171221021), we get a palindrome (291343192).

The spelling of 120122171 in words is "one hundred twenty million, one hundred twenty-two thousand, one hundred seventy-one".