1128378327 has 16 divisors (see below), whose sum is σ = 1585013760. Its totient is φ = 712063872.

The previous prime is 1128378323. The next prime is 1128378347. The reversal of 1128378327 is 7238738211.

It is not a de Polignac number, because 1128378327 - 2² = 1128378323 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128378323) by changing a digit.

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, 66298 + ... + 81560.

It is an arithmetic number, because the mean of its divisors is an integer number (99063360).

Almost surely, 2^1128378327 is an apocalyptic number.

1128378327 is a deficient number, since it is larger than the sum of its proper divisors (456635433).

1128378327 is a wasteful number, since it uses less digits than its factorization.

1128378327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16582.

The product of its digits is 112896, while the sum is 42.

The square root of 1128378327 is about 33591.3430365623. The cubic root of 1128378327 is about 1041.0819383293.

The spelling of 1128378327 in words is "one billion, one hundred twenty-eight million, three hundred seventy-eight thousand, three hundred twenty-seven".