1133641 has 2 divisors, whose sum is σ = 1133642. Its totient is φ = 1133640.

The previous prime is 1133633. The next prime is 1133651. The reversal of 1133641 is 1463311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1092025 + 41616 = 1045^2 + 204^2 .

It is a cyclic number.

It is not a de Polignac number, because 1133641 - 2³ = 1133633 is a prime.

It is not a weakly prime, because it can be changed into another prime (1133621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566820 + 566821.

It is an arithmetic number, because the mean of its divisors is an integer number (566821).

2^1133641 is an apocalyptic number.

It is an amenable number.

1133641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133641 is an equidigital number, since it uses as much as digits as its factorization.

1133641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 19.

The square root of 1133641 is about 1064.7257862943. The cubic root of 1133641 is about 104.2697938327.

Adding to 1133641 its reverse (1463311), we get a palindrome (2596952).

The spelling of 1133641 in words is "one million, one hundred thirty-three thousand, six hundred forty-one".