128629468 has 48 divisors (see below), whose sum is σ = 259943040. Its totient is φ = 55080000.

The previous prime is 128629453. The next prime is 128629477. The reversal of 128629468 is 864926821.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209530 + ... + 210142.

It is an arithmetic number, because the mean of its divisors is an integer number (5415480).

Almost surely, 2^128629468 is an apocalyptic number.

It is an amenable number.

128629468 is an abundant number, since it is smaller than the sum of its proper divisors (131313572).

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

128629468 is a wasteful number, since it uses less digits than its factorization.

128629468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898 (or 896 counting only the distinct ones).

The product of its digits is 331776, while the sum is 46.

The square root of 128629468 is about 11341.4931997511. The cubic root of 128629468 is about 504.7931944116.

The spelling of 128629468 in words is "one hundred twenty-eight million, six hundred twenty-nine thousand, four hundred sixty-eight".