1148256 has 60 divisors (see below), whose sum is σ = 3384612. Its totient is φ = 381888.

The previous prime is 1148249. The next prime is 1148261. The reversal of 1148256 is 6528411.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2371 + ... + 2813.

2^1148256 is an apocalyptic number.

1148256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1148256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1692306).

1148256 is an abundant number, since it is smaller than the sum of its proper divisors (2236356).

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

1148256 is an equidigital number, since it uses as much as digits as its factorization.

1148256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465 (or 448 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 1148256 is about 1071.5670767619. The cubic root of 1148256 is about 104.7159670561.

The spelling of 1148256 in words is "one million, one hundred forty-eight thousand, two hundred fifty-six".