1181248 has 14 divisors (see below), whose sum is σ = 2344166. Its totient is φ = 590592.

The previous prime is 1181237. The next prime is 1181263. The reversal of 1181248 is 8421811.

It can be written as a sum of positive squares in only one way, i.e., 1098304 + 82944 = 1048^2 + 288^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9165 + ... + 9292.

2^1181248 is an apocalyptic number.

It is an amenable number.

1181248 is a deficient number, since it is larger than the sum of its proper divisors (1162918).

1181248 is an equidigital number, since it uses as much as digits as its factorization.

1181248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18469 (or 18459 counting only the distinct ones).

The product of its digits is 512, while the sum is 25.

The square root of 1181248 is about 1086.8523358764. The cubic root of 1181248 is about 105.7094213213.

The spelling of 1181248 in words is "one million, one hundred eighty-one thousand, two hundred forty-eight".