1147248 has 60 divisors (see below), whose sum is σ = 3327168. Its totient is φ = 368640.

The previous prime is 1147247. The next prime is 1147249. The reversal of 1147248 is 8427411.

It is an interprime number because it is at equal distance from previous prime (1147247) and next prime (1147249).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1147243) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4336 + ... + 4592.

2^1147248 is an apocalyptic number.

1147248 is a gapful number since it is divisible by the number (18) 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 1147248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1663584).

1147248 is an abundant number, since it is smaller than the sum of its proper divisors (2179920).

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

1147248 is a wasteful number, since it uses less digits than its factorization.

1147248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302 (or 293 counting only the distinct ones).

The product of its digits is 1792, while the sum is 27.

The square root of 1147248 is about 1071.0966342959. The cubic root of 1147248 is about 104.6853163427.

The spelling of 1147248 in words is "one million, one hundred forty-seven thousand, two hundred forty-eight".