1128357296 has 20 divisors (see below), whose sum is σ = 2384937384. Its totient is φ = 512889600.

The previous prime is 1128357287. The next prime is 1128357301. The reversal of 1128357296 is 6927538211.

It is a Harshad number since it is a multiple of its sum of digits (44).

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 3 ways as a sum of consecutive naturals, for example, 3205385 + ... + 3205736.

Almost surely, 2^1128357296 is an apocalyptic number.

1128357296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1128357296 is an abundant number, since it is smaller than the sum of its proper divisors (1256580088).

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

1128357296 is a wasteful number, since it uses less digits than its factorization.

1128357296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6411140 (or 6411134 counting only the distinct ones).

The product of its digits is 181440, while the sum is 44.

The square root of 1128357296 is about 33591.0299931395. The cubic root of 1128357296 is about 1041.0754703065.

The spelling of 1128357296 in words is "one billion, one hundred twenty-eight million, three hundred fifty-seven thousand, two hundred ninety-six".