1147328 has 56 divisors (see below), whose sum is σ = 2816352. Its totient is φ = 451584.

The previous prime is 1147301. The next prime is 1147331. The reversal of 1147328 is 8237411.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 1147297 and 1147306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5726 + ... + 5922.

It is an arithmetic number, because the mean of its divisors is an integer number (50292).

2^1147328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1147328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1408176).

1147328 is an abundant number, since it is smaller than the sum of its proper divisors (1669024).

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

1147328 is a wasteful number, since it uses less digits than its factorization.

1147328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 219 counting only the distinct ones).

The product of its digits is 1344, while the sum is 26.

The square root of 1147328 is about 1071.1339785480. The cubic root of 1147328 is about 104.6877495947.

The spelling of 1147328 in words is "one million, one hundred forty-seven thousand, three hundred twenty-eight".