1128306283 has 8 divisors (see below), whose sum is σ = 1243357808. Its totient is φ = 1017291744.

The previous prime is 1128306281. The next prime is 1128306301. The reversal of 1128306283 is 3826038211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1128306283 - 2¹ = 1128306281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1128306281) by changing a digit.

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, 1008660 + ... + 1009777.

It is an arithmetic number, because the mean of its divisors is an integer number (155419726).

Almost surely, 2^1128306283 is an apocalyptic number.

1128306283 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1128306283 is a deficient number, since it is larger than the sum of its proper divisors (115051525).

1128306283 is a wasteful number, since it uses less digits than its factorization.

1128306283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2018493.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 1128306283 is about 33590.2706598205. The cubic root of 1128306283 is about 1041.0597810730.

The spelling of 1128306283 in words is "one billion, one hundred twenty-eight million, three hundred six thousand, two hundred eighty-three".