1128321927 has 16 divisors (see below), whose sum is σ = 1712360160. Its totient is φ = 733867200.

The previous prime is 1128321917. The next prime is 1128321947. The reversal of 1128321927 is 7291238211.

It is not a de Polignac number, because 1128321927 - 2²⁶ = 1061213063 is a prime.

It is a super-2 number, since 2×1128321927² = 2546220741897986658, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1128321891 and 1128321900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128321907) 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 15 ways as a sum of consecutive naturals, for example, 508524 + ... + 510737.

It is an arithmetic number, because the mean of its divisors is an integer number (107022510).

Almost surely, 2^1128321927 is an apocalyptic number.

1128321927 is a deficient number, since it is larger than the sum of its proper divisors (584038233).

1128321927 is a wasteful number, since it uses less digits than its factorization.

1128321927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019311 (or 1019305 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 1128321927 is about 33590.5035240617. The cubic root of 1128321927 is about 1041.0645924923.

The spelling of 1128321927 in words is "one billion, one hundred twenty-eight million, three hundred twenty-one thousand, nine hundred twenty-seven".