1128796845 has 32 divisors (see below), whose sum is σ = 1975653504. Its totient is φ = 545798400.

The previous prime is 1128796819. The next prime is 1128796853. The reversal of 1128796845 is 5486978211.

It is not a de Polignac number, because 1128796845 - 2⁵ = 1128796813 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52375 + ... + 70715.

It is an arithmetic number, because the mean of its divisors is an integer number (61739172).

Almost surely, 2^1128796845 is an apocalyptic number.

1128796845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1128796845 is a deficient number, since it is larger than the sum of its proper divisors (846856659).

1128796845 is a wasteful number, since it uses less digits than its factorization.

1128796845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18733.

The product of its digits is 967680, while the sum is 51.

The square root of 1128796845 is about 33597.5720104891. The cubic root of 1128796845 is about 1041.2106356118.

The spelling of 1128796845 in words is "one billion, one hundred twenty-eight million, seven hundred ninety-six thousand, eight hundred forty-five".