1090241 has 2 divisors, whose sum is σ = 1090242. Its totient is φ = 1090240.

The previous prime is 1090217. The next prime is 1090249. The reversal of 1090241 is 1420901.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 640000 + 450241 = 800^2 + 671^2 .

It is an emirp because it is prime and its reverse (1420901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1090241 - 2¹⁰ = 1089217 is a prime.

It is not a weakly prime, because it can be changed into another prime (1090249) 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 as a sum of consecutive naturals, namely, 545120 + 545121.

It is an arithmetic number, because the mean of its divisors is an integer number (545121).

2^1090241 is an apocalyptic number.

It is an amenable number.

1090241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1090241 is an equidigital number, since it uses as much as digits as its factorization.

1090241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1090241 is about 1044.1460625794. The cubic root of 1090241 is about 102.9218309097.

It can be divided in two parts, 1090 and 241, that added together give a palindrome (1331).

The spelling of 1090241 in words is "one million, ninety thousand, two hundred forty-one".