1128759090 has 32 divisors (see below), whose sum is σ = 2754941760. Its totient is φ = 295900224.

The previous prime is 1128759061. The next prime is 1128759103. The reversal of 1128759090 is 909578211.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317089 + ... + 320628.

It is an arithmetic number, because the mean of its divisors is an integer number (86091930).

Almost surely, 2^1128759090 is an apocalyptic number.

1128759090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1128759090 is an abundant number, since it is smaller than the sum of its proper divisors (1626182670).

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

1128759090 is a wasteful number, since it uses less digits than its factorization.

1128759090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637786.

The product of its (nonzero) digits is 45360, while the sum is 42.

The square root of 1128759090 is about 33597.0101348319. The cubic root of 1128759090 is about 1041.1990269845.

The spelling of 1128759090 in words is "one billion, one hundred twenty-eight million, seven hundred fifty-nine thousand, ninety".