128954876 has 12 divisors (see below), whose sum is σ = 226011072. Its totient is φ = 64380288.

The previous prime is 128954873. The next prime is 128954899. The reversal of 128954876 is 678459821.

It is a super-3 number, since 3×128954876³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128954873) 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 3 ways as a sum of consecutive naturals, for example, 21260 + ... + 26643.

It is an arithmetic number, because the mean of its divisors is an integer number (18834256).

Almost surely, 2^128954876 is an apocalyptic number.

It is an amenable number.

128954876 is a deficient number, since it is larger than the sum of its proper divisors (97056196).

128954876 is a wasteful number, since it uses less digits than its factorization.

128954876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48580 (or 48578 counting only the distinct ones).

The product of its digits is 967680, while the sum is 50.

The square root of 128954876 is about 11355.8300445190. The cubic root of 128954876 is about 505.2185127623.

It can be divided in two parts, 12895 and 4876, that added together give a palindrome (17771).

The spelling of 128954876 in words is "one hundred twenty-eight million, nine hundred fifty-four thousand, eight hundred seventy-six".