1128806835 has 32 divisors (see below), whose sum is σ = 1956322368. Its totient is φ = 552491520.

The previous prime is 1128806827. The next prime is 1128806867. The reversal of 1128806835 is 5386088211.

It is not a de Polignac number, because 1128806835 - 2³ = 1128806827 is a prime.

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, 17005 + ... + 50465.

It is an arithmetic number, because the mean of its divisors is an integer number (61135074).

Almost surely, 2^1128806835 is an apocalyptic number.

1128806835 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1128806835 is a deficient number, since it is larger than the sum of its proper divisors (827515533).

1128806835 is a wasteful number, since it uses less digits than its factorization.

1128806835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33655.

The product of its (nonzero) digits is 92160, while the sum is 42.

The square root of 1128806835 is about 33597.7206816177. The cubic root of 1128806835 is about 1041.2137072196.

The spelling of 1128806835 in words is "one billion, one hundred twenty-eight million, eight hundred six thousand, eight hundred thirty-five".