1148728 has 32 divisors (see below), whose sum is σ = 2504160. Its totient is φ = 483840.

The previous prime is 1148713. The next prime is 1148729. The reversal of 1148728 is 8278411.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1148728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3948 + ... + 4228.

It is an arithmetic number, because the mean of its divisors is an integer number (78255).

2^1148728 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 1148728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1252080).

1148728 is an abundant number, since it is smaller than the sum of its proper divisors (1355432).

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

1148728 is a wasteful number, since it uses less digits than its factorization.

1148728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367 (or 363 counting only the distinct ones).

The product of its digits is 3584, while the sum is 31.

The square root of 1148728 is about 1071.7872923300. The cubic root of 1148728 is about 104.7303132082.

The spelling of 1148728 in words is "one million, one hundred forty-eight thousand, seven hundred twenty-eight".