1128113066 has 4 divisors (see below), whose sum is σ = 1692169602. Its totient is φ = 564056532.

The previous prime is 1128113053. The next prime is 1128113111. The reversal of 1128113066 is 6603118211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 662805025 + 465308041 = 25745^2 + 21571^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282028265 + ... + 282028268.

Almost surely, 2^1128113066 is an apocalyptic number.

1128113066 is a deficient number, since it is larger than the sum of its proper divisors (564056536).

1128113066 is an equidigital number, since it uses as much as digits as its factorization.

1128113066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564056535.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1128113066 is about 33587.3944508948. The cubic root of 1128113066 is about 1041.0003521945. Note that the first 3 decimals are identical.

The spelling of 1128113066 in words is "one billion, one hundred twenty-eight million, one hundred thirteen thousand, sixty-six".