128468 has 6 divisors (see below), whose sum is σ = 224826. Its totient is φ = 64232.

The previous prime is 128467. The next prime is 128473. The reversal of 128468 is 864821.

It can be written as a sum of positive squares in only one way, i.e., 71824 + 56644 = 268^2 + 238^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 128468.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16055 + ... + 16062.

It is an arithmetic number, because the mean of its divisors is an integer number (37471).

2¹²⁸⁴⁶⁸ is an apocalyptic number.

It is an amenable number.

128468 is a deficient number, since it is larger than the sum of its proper divisors (96358).

128468 is a wasteful number, since it uses less digits than its factorization.

128468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32121 (or 32119 counting only the distinct ones).

The product of its digits is 3072, while the sum is 29.

The square root of 128468 is about 358.4243295314. The cubic root of 128468 is about 50.4581884416.

The spelling of 128468 in words is "one hundred twenty-eight thousand, four hundred sixty-eight".