1328854128 has 60 divisors (see below), whose sum is σ = 3993349320. Its totient is φ = 379671936.

The previous prime is 1328854127. The next prime is 1328854133. The reversal of 1328854128 is 8214588231.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 1328854128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328854127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 280143 + ... + 284846.

It is an arithmetic number, because the mean of its divisors is an integer number (66555822).

Almost surely, 2^1328854128 is an apocalyptic number.

It is an amenable number.

1328854128 is an abundant number, since it is smaller than the sum of its proper divisors (2664495192).

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

1328854128 is a wasteful number, since it uses less digits than its factorization.

1328854128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565014 (or 565001 counting only the distinct ones).

The product of its digits is 122880, while the sum is 42.

The square root of 1328854128 is about 36453.4515238269. The cubic root of 1328854128 is about 1099.4085327152.

The spelling of 1328854128 in words is "one billion, three hundred twenty-eight million, eight hundred fifty-four thousand, one hundred twenty-eight".