128452468 has 24 divisors (see below), whose sum is σ = 232727040. Its totient is φ = 61971360.

The previous prime is 128452451. The next prime is 128452477. The reversal of 128452468 is 864254821.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 128452468.

It is a congruent number.

It is an unprimeable number.

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, 46905 + ... + 49567.

It is an arithmetic number, because the mean of its divisors is an integer number (9696960).

Almost surely, 2^128452468 is an apocalyptic number.

It is an amenable number.

128452468 is a deficient number, since it is larger than the sum of its proper divisors (104274572).

128452468 is a wasteful number, since it uses less digits than its factorization.

128452468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3087 (or 3085 counting only the distinct ones).

The product of its digits is 122880, while the sum is 40.

The square root of 128452468 is about 11333.6873081976. The cubic root of 128452468 is about 504.5615486604.

The spelling of 128452468 in words is "one hundred twenty-eight million, four hundred fifty-two thousand, four hundred sixty-eight".