1066128028 has 24 divisors (see below), whose sum is σ = 2157950592. Its totient is φ = 451406064.

The previous prime is 1066128013. The next prime is 1066128061. The reversal of 1066128028 is 8208216601.

It is a super-2 number, since 2×1066128028² = 2273257944174337568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1066127984 and 1066128002.

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, 227050 + ... + 231697.

It is an arithmetic number, because the mean of its divisors is an integer number (89914608).

Almost surely, 2^1066128028 is an apocalyptic number.

It is an amenable number.

1066128028 is an abundant number, since it is smaller than the sum of its proper divisors (1091822564).

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

1066128028 is a wasteful number, since it uses less digits than its factorization.

1066128028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458841 (or 458839 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 1066128028 is about 32651.6160090125. The cubic root of 1066128028 is about 1021.5738959461.

The spelling of 1066128028 in words is "one billion, sixty-six million, one hundred twenty-eight thousand, twenty-eight".