1181282 has 4 divisors (see below), whose sum is σ = 1771926. Its totient is φ = 590640.

The previous prime is 1181281. The next prime is 1181293. The reversal of 1181282 is 2821811.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1079521 + 101761 = 1039^2 + 319^2 .

It is not an unprimeable number, because it can be changed into a prime (1181281) 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 as a sum of consecutive naturals, namely, 295319 + ... + 295322.

2^1181282 is an apocalyptic number.

1181282 is a deficient number, since it is larger than the sum of its proper divisors (590644).

1181282 is an equidigital number, since it uses as much as digits as its factorization.

1181282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590643.

The product of its digits is 256, while the sum is 23.

The square root of 1181282 is about 1086.8679772631. The cubic root of 1181282 is about 105.7104355271.

The spelling of 1181282 in words is "one million, one hundred eighty-one thousand, two hundred eighty-two".