128232167 has 12 divisors (see below), whose sum is σ = 149484096. Its totient is φ = 109680480.

The previous prime is 128232161. The next prime is 128232211. The reversal of 128232167 is 761232821.

It is not a de Polignac number, because 128232167 - 2⁶ = 128232103 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128232161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23018 + ... + 28040.

It is an arithmetic number, because the mean of its divisors is an integer number (12457008).

Almost surely, 2^128232167 is an apocalyptic number.

128232167 is a deficient number, since it is larger than the sum of its proper divisors (21251929).

128232167 is an equidigital number, since it uses as much as digits as its factorization.

128232167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5558 (or 5551 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 128232167 is about 11323.9642793502. The cubic root of 128232167 is about 504.2729360154.

Adding to 128232167 its reverse (761232821), we get a palindrome (889464988).

The spelling of 128232167 in words is "one hundred twenty-eight million, two hundred thirty-two thousand, one hundred sixty-seven".