128819054 has 16 divisors (see below), whose sum is σ = 237820128. Its totient is φ = 50961312.

The previous prime is 128819051. The next prime is 128819077. The reversal of 128819054 is 450918821.

It is a junction number, because it is equal to n+sod(n) for n = 128818999 and 128819017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128819051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353717 + ... + 354080.

It is an arithmetic number, because the mean of its divisors is an integer number (14863758).

Almost surely, 2^128819054 is an apocalyptic number.

128819054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

128819054 is a deficient number, since it is larger than the sum of its proper divisors (109001074).

128819054 is a wasteful number, since it uses less digits than its factorization.

128819054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707819.

The product of its (nonzero) digits is 23040, while the sum is 38.

The square root of 128819054 is about 11349.8481928174. The cubic root of 128819054 is about 505.0410762915.

The spelling of 128819054 in words is "one hundred twenty-eight million, eight hundred nineteen thousand, fifty-four".