1188441 has 6 divisors (see below), whose sum is σ = 1716650. Its totient is φ = 792288.

The previous prime is 1188413. The next prime is 1188457. The reversal of 1188441 is 1448811.

It can be written as a sum of positive squares in only one way, i.e., 1058841 + 129600 = 1029^2 + 360^2 .

It is not a de Polignac number, because 1188441 - 2⁵ = 1188409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1188491) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66016 + ... + 66033.

2^1188441 is an apocalyptic number.

It is an amenable number.

1188441 is a deficient number, since it is larger than the sum of its proper divisors (528209).

1188441 is a wasteful number, since it uses less digits than its factorization.

1188441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132055 (or 132052 counting only the distinct ones).

The product of its digits is 1024, while the sum is 27.

The square root of 1188441 is about 1090.1564107962. The cubic root of 1188441 is about 105.9235535195.

The spelling of 1188441 in words is "one million, one hundred eighty-eight thousand, four hundred forty-one".