1143248 has 10 divisors (see below), whose sum is σ = 2215074. Its totient is φ = 571616.

The previous prime is 1143239. The next prime is 1143257. The reversal of 1143248 is 8423411.

It is an interprime number because it is at equal distance from previous prime (1143239) and next prime (1143257).

It can be written as a sum of positive squares in only one way, i.e., 1098304 + 44944 = 1048^2 + 212^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35711 + ... + 35742.

2^1143248 is an apocalyptic number.

It is an amenable number.

1143248 is a deficient number, since it is larger than the sum of its proper divisors (1071826).

1143248 is an equidigital number, since it uses as much as digits as its factorization.

1143248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71461 (or 71455 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

The square root of 1143248 is about 1069.2277587119. The cubic root of 1143248 is about 104.5635092379.

Adding to 1143248 its reverse (8423411), we get a palindrome (9566659).

The spelling of 1143248 in words is "one million, one hundred forty-three thousand, two hundred forty-eight".