128714 has 8 divisors (see below), whose sum is σ = 194880. Its totient is φ = 63756.

The previous prime is 128693. The next prime is 128717. The reversal of 128714 is 417821.

Added to its reverse (417821) it gives a triangular number (546535 = T₁₀₄₅).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 128714.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 128714.

It is not an unprimeable number, because it can be changed into a prime (128717) 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 in 3 ways as a sum of consecutive naturals, for example, 47 + ... + 509.

It is an arithmetic number, because the mean of its divisors is an integer number (24360).

2¹²⁸⁷¹⁴ is an apocalyptic number.

128714 is a deficient number, since it is larger than the sum of its proper divisors (66166).

128714 is a wasteful number, since it uses less digits than its factorization.

128714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604.

The product of its digits is 448, while the sum is 23.

The square root of 128714 is about 358.7673340760. The cubic root of 128714 is about 50.4903749261.

Adding to 128714 its reverse (417821), we get a triangular number (546535 = T₁₀₄₅).

The spelling of 128714 in words is "one hundred twenty-eight thousand, seven hundred fourteen".