1186441 has 2 divisors, whose sum is σ = 1186442. Its totient is φ = 1186440.

The previous prime is 1186439. The next prime is 1186489. The reversal of 1186441 is 1446811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1177225 + 9216 = 1085^2 + 96^2 .

It is a cyclic number.

It is not a de Polignac number, because 1186441 - 2¹ = 1186439 is a prime.

Together with 1186439, it forms a pair of twin primes.

1186441 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1186411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 593220 + 593221.

It is an arithmetic number, because the mean of its divisors is an integer number (593221).

2^1186441 is an apocalyptic number.

It is an amenable number.

1186441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1186441 is an equidigital number, since it uses as much as digits as its factorization.

1186441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768, while the sum is 25.

The square root of 1186441 is about 1089.2387249818. The cubic root of 1186441 is about 105.8641013869.

The spelling of 1186441 in words is "one million, one hundred eighty-six thousand, four hundred forty-one".