128930754 has 16 divisors (see below), whose sum is σ = 273030048. Its totient is φ = 40448832.

The previous prime is 128930749. The next prime is 128930777. The reversal of 128930754 is 457039821.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631912 + ... + 632115.

It is an arithmetic number, because the mean of its divisors is an integer number (17064378).

Almost surely, 2^128930754 is an apocalyptic number.

128930754 is an abundant number, since it is smaller than the sum of its proper divisors (144099294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128930754 is a wasteful number, since it uses less digits than its factorization.

128930754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264049.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 128930754 is about 11354.7678972315. The cubic root of 128930754 is about 505.1870091302.

The spelling of 128930754 in words is "one hundred twenty-eight million, nine hundred thirty thousand, seven hundred fifty-four".