1128312066 has 48 divisors (see below), whose sum is σ = 2739658176. Its totient is φ = 303408384.

The previous prime is 1128312041. The next prime is 1128312079. The reversal of 1128312066 is 6602138211.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34341 + ... + 58616.

It is an arithmetic number, because the mean of its divisors is an integer number (57076212).

Almost surely, 2^1128312066 is an apocalyptic number.

1128312066 is an abundant number, since it is smaller than the sum of its proper divisors (1611346110).

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

1128312066 is a wasteful number, since it uses less digits than its factorization.

1128312066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93003 (or 92986 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1128312066 is about 33590.3567411839. The cubic root of 1128312066 is about 1041.0615596794.

The spelling of 1128312066 in words is "one billion, one hundred twenty-eight million, three hundred twelve thousand, sixty-six".