1128329 has 4 divisors (see below), whose sum is σ = 1152384. Its totient is φ = 1104276.

The previous prime is 1128313. The next prime is 1128349. The reversal of 1128329 is 9238211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9238211 = 29 ⋅318559.

It is a cyclic number.

It is not a de Polignac number, because 1128329 - 2⁴ = 1128313 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1128298 and 1128307.

It is not an unprimeable number, because it can be changed into a prime (1128349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11957 + ... + 12050.

It is an arithmetic number, because the mean of its divisors is an integer number (288096).

2^1128329 is an apocalyptic number.

It is an amenable number.

1128329 is a deficient number, since it is larger than the sum of its proper divisors (24055).

1128329 is an equidigital number, since it uses as much as digits as its factorization.

1128329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24054.

The product of its digits is 864, while the sum is 26.

The square root of 1128329 is about 1062.2283182066. The cubic root of 1128329 is about 104.1066767827.

The spelling of 1128329 in words is "one million, one hundred twenty-eight thousand, three hundred twenty-nine".