128241171 has 32 divisors (see below), whose sum is σ = 193536000. Its totient is φ = 83916000.

The previous prime is 128241163. The next prime is 128241173. The reversal of 128241171 is 171142821.

It is not a de Polignac number, because 128241171 - 2³ = 128241163 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (128241173) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 510796 + ... + 511046.

It is an arithmetic number, because the mean of its divisors is an integer number (6048000).

Almost surely, 2^128241171 is an apocalyptic number.

128241171 is a deficient number, since it is larger than the sum of its proper divisors (65294829).

128241171 is a wasteful number, since it uses less digits than its factorization.

128241171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536 (or 530 counting only the distinct ones).

The product of its digits is 896, while the sum is 27.

The square root of 128241171 is about 11324.3618363244. The cubic root of 128241171 is about 504.2847384810.

Adding to 128241171 its reverse (171142821), we get a palindrome (299383992).

The spelling of 128241171 in words is "one hundred twenty-eight million, two hundred forty-one thousand, one hundred seventy-one".