1128628056 has 16 divisors (see below), whose sum is σ = 2821570200. Its totient is φ = 376209344.

The previous prime is 1128628021. The next prime is 1128628073. The reversal of 1128628056 is 6508268211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23513061 + ... + 23513108.

Almost surely, 2^1128628056 is an apocalyptic number.

It is an amenable number.

1128628056 is an abundant number, since it is smaller than the sum of its proper divisors (1692942144).

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

1128628056 is a wasteful number, since it uses less digits than its factorization.

1128628056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47026178 (or 47026174 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 1128628056 is about 33595.0599939932. The cubic root of 1128628056 is about 1041.1587356137.

The spelling of 1128628056 in words is "one billion, one hundred twenty-eight million, six hundred twenty-eight thousand, fifty-six".