1341021239 has 2 divisors, whose sum is σ = 1341021240. Its totient is φ = 1341021238.

The previous prime is 1341021203. The next prime is 1341021247. The reversal of 1341021239 is 9321201431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1341021239 - 2²⁸ = 1072585783 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1341021259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670510619 + 670510620.

It is an arithmetic number, because the mean of its divisors is an integer number (670510620).

Almost surely, 2^1341021239 is an apocalyptic number.

1341021239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1341021239 is an equidigital number, since it uses as much as digits as its factorization.

1341021239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1341021239 is about 36619.9568404989. The cubic root of 1341021239 is about 1102.7537722737.

The spelling of 1341021239 in words is "one billion, three hundred forty-one million, twenty-one thousand, two hundred thirty-nine".