1341003421 has 2 divisors, whose sum is σ = 1341003422. Its totient is φ = 1341003420.

The previous prime is 1341003397. The next prime is 1341003437. The reversal of 1341003421 is 1243001431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1335098521 + 5904900 = 36539^2 + 2430^2 .

It is a cyclic number.

It is not a de Polignac number, because 1341003421 - 2¹¹ = 1341001373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1341003221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670501710 + 670501711.

It is an arithmetic number, because the mean of its divisors is an integer number (670501711).

Almost surely, 2^1341003421 is an apocalyptic number.

It is an amenable number.

1341003421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1341003421 is an equidigital number, since it uses as much as digits as its factorization.

1341003421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1341003421 is about 36619.7135570447. The cubic root of 1341003421 is about 1102.7488881966.

Adding to 1341003421 its reverse (1243001431), we get a palindrome (2584004852).

The spelling of 1341003421 in words is "one billion, three hundred forty-one million, three thousand, four hundred twenty-one".