120510000171 has 12 divisors (see below), whose sum is σ = 189894545880. Its totient is φ = 73036363680.

The previous prime is 120510000161. The next prime is 120510000181. The reversal of 120510000171 is 171000015021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (120510000161) and next prime (120510000181).

It is not a de Polignac number, because 120510000171 - 2⁵ = 120510000139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120510000161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 608636266 + ... + 608636463.

It is an arithmetic number, because the mean of its divisors is an integer number (15824545490).

Almost surely, 2^120510000171 is an apocalyptic number.

120510000171 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

120510000171 is a deficient number, since it is larger than the sum of its proper divisors (69384545709).

120510000171 is a wasteful number, since it uses less digits than its factorization.

120510000171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217272746 (or 1217272743 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 18.

Adding to 120510000171 its reverse (171000015021), we get a palindrome (291510015192).

The spelling of 120510000171 in words is "one hundred twenty billion, five hundred ten million, one hundred seventy-one", and thus it is an aban number.