1128325716 has 216 divisors, whose sum is σ = 3505931520. Its totient is φ = 299624832.

The previous prime is 1128325703. The next prime is 1128325733. The reversal of 1128325716 is 6175238211.

1128325716 is a `hidden beast` number, since 1 + 1 + 2 + 83 + 2 + 571 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7186710 + ... + 7186866.

Almost surely, 2^1128325716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1128325716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1752965760).

1128325716 is an abundant number, since it is smaller than the sum of its proper divisors (2377605804).

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

1128325716 is a wasteful number, since it uses less digits than its factorization.

1128325716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291 (or 267 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 1128325716 is about 33590.5599238834. The cubic root of 1128325716 is about 1041.0657578185.

The spelling of 1128325716 in words is "one billion, one hundred twenty-eight million, three hundred twenty-five thousand, seven hundred sixteen".