1181066 has 8 divisors (see below), whose sum is σ = 1788480. Its totient is φ = 584908.

The previous prime is 1181057. The next prime is 1181093. The reversal of 1181066 is 6601811.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam 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 3 ways as a sum of consecutive naturals, for example, 2546 + ... + 2973.

It is an arithmetic number, because the mean of its divisors is an integer number (223560).

2^1181066 is an apocalyptic number.

1181066 is a deficient number, since it is larger than the sum of its proper divisors (607414).

1181066 is a wasteful number, since it uses less digits than its factorization.

1181066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5628.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 1181066 is about 1086.7686046257. The cubic root of 1181066 is about 105.7039920062.

Adding to 1181066 its reverse (6601811), we get a palindrome (7782877).

The spelling of 1181066 in words is "one million, one hundred eighty-one thousand, sixty-six".