1128120788484 has 36 divisors (see below), whose sum is σ = 2853171144460. Its totient is φ = 375838176960.

The previous prime is 1128120788423. The next prime is 1128120788513. The reversal of 1128120788484 is 4848870218211.

1128120788484 is a `hidden beast` number, since 1 + 1 + 2 + 81 + 2 + 0 + 7 + 88 + 484 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 200023617600 + 928097170884 = 447240^2 + 963378^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1128120788484.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8352319 + ... + 8486310.

Almost surely, 2^{1128120788484} is an apocalyptic number.

It is an amenable number.

1128120788484 is an abundant number, since it is smaller than the sum of its proper divisors (1725050355976).

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

1128120788484 is a wasteful number, since it uses less digits than its factorization.

1128120788484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16840500 (or 16840495 counting only the distinct ones).

The product of its (nonzero) digits is 1835008, while the sum is 54.

The spelling of 1128120788484 in words is "one trillion, one hundred twenty-eight billion, one hundred twenty million, seven hundred eighty-eight thousand, four hundred eighty-four".