1128089212 has 24 divisors (see below), whose sum is σ = 2051274960. Its totient is φ = 542183040.

The previous prime is 1128089201. The next prime is 1128089227. The reversal of 1128089212 is 2129808211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4912 + ... + 47752.

It is an arithmetic number, because the mean of its divisors is an integer number (85469790).

Almost surely, 2^1128089212 is an apocalyptic number.

It is an amenable number.

1128089212 is a deficient number, since it is larger than the sum of its proper divisors (923185748).

1128089212 is a wasteful number, since it uses less digits than its factorization.

1128089212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43101 (or 43099 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 34.

The square root of 1128089212 is about 33587.0393455571. The cubic root of 1128089212 is about 1040.9930148102.

The spelling of 1128089212 in words is "one billion, one hundred twenty-eight million, eighty-nine thousand, two hundred twelve".