1241404321 has 2 divisors, whose sum is σ = 1241404322. Its totient is φ = 1241404320.

The previous prime is 1241404313. The next prime is 1241404337. The reversal of 1241404321 is 1234041421.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 946423696 + 294980625 = 30764^2 + 17175^2 .

It is a cyclic number.

It is not a de Polignac number, because 1241404321 - 2³ = 1241404313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1241404292 and 1241404301.

It is not a weakly prime, because it can be changed into another prime (1241404301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620702160 + 620702161.

It is an arithmetic number, because the mean of its divisors is an integer number (620702161).

Almost surely, 2^1241404321 is an apocalyptic number.

It is an amenable number.

1241404321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241404321 is an equidigital number, since it uses as much as digits as its factorization.

1241404321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1241404321 is about 35233.5680991863. The cubic root of 1241404321 is about 1074.7424862900.

Adding to 1241404321 its reverse (1234041421), we get a palindrome (2475445742).

The spelling of 1241404321 in words is "one billion, two hundred forty-one million, four hundred four thousand, three hundred twenty-one".