1128796617 has 32 divisors (see below), whose sum is σ = 1724526720. Its totient is φ = 650603520.

The previous prime is 1128796601. The next prime is 1128796649. The reversal of 1128796617 is 7166978211.

It is not a de Polignac number, because 1128796617 - 2⁴ = 1128796601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1128796117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135859 + ... + 143927.

It is an arithmetic number, because the mean of its divisors is an integer number (53891460).

Almost surely, 2^1128796617 is an apocalyptic number.

1128796617 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1128796617 is a deficient number, since it is larger than the sum of its proper divisors (595730103).

1128796617 is a wasteful number, since it uses less digits than its factorization.

1128796617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8313.

The product of its digits is 254016, while the sum is 48.

The square root of 1128796617 is about 33597.5686173866. The cubic root of 1128796617 is about 1041.2105655089.

The spelling of 1128796617 in words is "one billion, one hundred twenty-eight million, seven hundred ninety-six thousand, six hundred seventeen".