128350 has 24 divisors (see below), whose sum is σ = 254448. Its totient is φ = 48000.

The previous prime is 128347. The next prime is 128351. The reversal of 128350 is 53821.

It is a happy number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128351) 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, 775 + ... + 925.

It is an arithmetic number, because the mean of its divisors is an integer number (10602).

2¹²⁸³⁵⁰ is an apocalyptic number.

128350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128350 is a deficient number, since it is larger than the sum of its proper divisors (126098).

128350 is a wasteful number, since it uses less digits than its factorization.

128350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 128350 is about 358.2596823535. The cubic root of 128350 is about 50.4427348134.

Subtracting from 128350 its reverse (53821), we obtain a square (74529 = 273²).

The spelling of 128350 in words is "one hundred twenty-eight thousand, three hundred fifty".