1189441 has 4 divisors (see below), whose sum is σ = 1297584. Its totient is φ = 1081300.

The previous prime is 1189417. The next prime is 1189453. The reversal of 1189441 is 1449811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1189441 - 2⁷ = 1189313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1189471) 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 in 3 ways as a sum of consecutive naturals, for example, 54055 + ... + 54076.

It is an arithmetic number, because the mean of its divisors is an integer number (324396).

2^1189441 is an apocalyptic number.

1189441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1189441 is a deficient number, since it is larger than the sum of its proper divisors (108143).

1189441 is a wasteful number, since it uses less digits than its factorization.

1189441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108142.

The product of its digits is 1152, while the sum is 28.

The square root of 1189441 is about 1090.6149641372. The cubic root of 1189441 is about 105.9532545755.

It can be divided in two parts, 11894 and 41, that added together give a triangular number (11935 = T₁₅₄).

The spelling of 1189441 in words is "one million, one hundred eighty-nine thousand, four hundred forty-one".