1128355760 has 40 divisors (see below), whose sum is σ = 2998203936. Its totient is φ = 386864640.

The previous prime is 1128355681. The next prime is 1128355783. The reversal of 1128355760 is 675538211.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1128355760² = 2546373442250355200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1006901 + ... + 1008020.

Almost surely, 2^1128355760 is an apocalyptic number.

1128355760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1128355760 is an abundant number, since it is smaller than the sum of its proper divisors (1869848176).

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

1128355760 is a wasteful number, since it uses less digits than its factorization.

1128355760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2014941 (or 2014935 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 1128355760 is about 33591.0071298852. The cubic root of 1128355760 is about 1041.0749979110.

The spelling of 1128355760 in words is "one billion, one hundred twenty-eight million, three hundred fifty-five thousand, seven hundred sixty".