128368 has 20 divisors (see below), whose sum is σ = 254448. Its totient is φ = 62720.

The previous prime is 128351. The next prime is 128377. The reversal of 128368 is 863821.

Its product of digits (2304) is a multiple of the sum of its prime factors (192).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1080 + ... + 1192.

2¹²⁸³⁶⁸ is an apocalyptic number.

It is an amenable number.

128368 is a deficient number, since it is larger than the sum of its proper divisors (126080).

128368 is a wasteful number, since it uses less digits than its factorization.

128368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 186 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 128368 is about 358.2848029152. The cubic root of 128368 is about 50.4450927586.

It can be divided in two parts, 128 and 368, that added together give a triangular number (496 = T₃₁).

The spelling of 128368 in words is "one hundred twenty-eight thousand, three hundred sixty-eight".