1128202256 has 40 divisors (see below), whose sum is σ = 2283883584. Its totient is φ = 538876800.

The previous prime is 1128202253. The next prime is 1128202267. The reversal of 1128202256 is 6522028211.

It is not an unprimeable number, because it can be changed into a prime (1128202253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385310 + ... + 388226.

Almost surely, 2^1128202256 is an apocalyptic number.

1128202256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1128202256 is an abundant number, since it is smaller than the sum of its proper divisors (1155681328).

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

1128202256 is a wasteful number, since it uses less digits than its factorization.

1128202256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3999 (or 3993 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 1128202256 is about 33588.7221549138. The cubic root of 1128202256 is about 1041.0277857257.

The spelling of 1128202256 in words is "one billion, one hundred twenty-eight million, two hundred two thousand, two hundred fifty-six".