1153441 has 2 divisors, whose sum is σ = 1153442. Its totient is φ = 1153440.

The previous prime is 1153429. The next prime is 1153457. The reversal of 1153441 is 1443511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1147041 + 6400 = 1071^2 + 80^2 .

It is a cyclic number.

It is not a de Polignac number, because 1153441 - 2¹⁵ = 1120673 is a prime.

It is a super-2 number, since 2×1153441² = 2660852280962, which contains 22 as substring.

It is a Chen prime.

1153441 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1153421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576720 + 576721.

It is an arithmetic number, because the mean of its divisors is an integer number (576721).

2^1153441 is an apocalyptic number.

It is an amenable number.

1153441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1153441 is an equidigital number, since it uses as much as digits as its factorization.

1153441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 240, while the sum is 19.

The square root of 1153441 is about 1073.9837056492. The cubic root of 1153441 is about 104.8733469120.

Adding to 1153441 its reverse (1443511), we get a palindrome (2596952).

The spelling of 1153441 in words is "one million, one hundred fifty-three thousand, four hundred forty-one".