1151441 has 2 divisors, whose sum is σ = 1151442. Its totient is φ = 1151440.

The previous prime is 1151431. The next prime is 1151443. The reversal of 1151441 is 1441511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1113025 + 38416 = 1055^2 + 196^2 .

It is a cyclic number.

It is not a de Polignac number, because 1151441 - 2¹⁰ = 1150417 is a prime.

Together with 1151443, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1151443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575720 + 575721.

It is an arithmetic number, because the mean of its divisors is an integer number (575721).

2^1151441 is an apocalyptic number.

It is an amenable number.

1151441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151441 is an equidigital number, since it uses as much as digits as its factorization.

1151441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80, while the sum is 17.

The square root of 1151441 is about 1073.0521888520. The cubic root of 1151441 is about 104.8126970709.

Adding to 1151441 its reverse (1441511), we get a palindrome (2592952).

The spelling of 1151441 in words is "one million, one hundred fifty-one thousand, four hundred forty-one".