1128534230 has 32 divisors (see below), whose sum is σ = 2109542400. Its totient is φ = 434216160.

The previous prime is 1128534223. The next prime is 1128534233. The reversal of 1128534230 is 324358211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1128534193 and 1128534202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128534233) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 40871 + ... + 62669.

It is an arithmetic number, because the mean of its divisors is an integer number (65923200).

Almost surely, 2^1128534230 is an apocalyptic number.

1128534230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1128534230 is a deficient number, since it is larger than the sum of its proper divisors (981008170).

1128534230 is a wasteful number, since it uses less digits than its factorization.

1128534230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22004.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 1128534230 is about 33593.6635394236. The cubic root of 1128534230 is about 1041.1298833371.

The spelling of 1128534230 in words is "one billion, one hundred twenty-eight million, five hundred thirty-four thousand, two hundred thirty".