128954 has 16 divisors (see below), whose sum is σ = 226176. Its totient is φ = 54000.

The previous prime is 128951. The next prime is 128959. The reversal of 128954 is 459821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 779 + ... + 929.

It is an arithmetic number, because the mean of its divisors is an integer number (14136).

2¹²⁸⁹⁵⁴ is an apocalyptic number.

128954 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

128954 is a deficient number, since it is larger than the sum of its proper divisors (97222).

128954 is a wasteful number, since it uses less digits than its factorization.

128954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221.

The product of its digits is 2880, while the sum is 29.

The square root of 128954 is about 359.1016569163. The cubic root of 128954 is about 50.5217368764.

The spelling of 128954 in words is "one hundred twenty-eight thousand, nine hundred fifty-four".