1341238247 has 2 divisors, whose sum is σ = 1341238248. Its totient is φ = 1341238246.

The previous prime is 1341238189. The next prime is 1341238267. The reversal of 1341238247 is 7428321431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1341238247 - 2¹² = 1341234151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1341238267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670619123 + 670619124.

It is an arithmetic number, because the mean of its divisors is an integer number (670619124).

Almost surely, 2^1341238247 is an apocalyptic number.

1341238247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1341238247 is an equidigital number, since it uses as much as digits as its factorization.

1341238247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 35.

The square root of 1341238247 is about 36622.9196951854. The cubic root of 1341238247 is about 1102.8132526847.

Adding to 1341238247 its reverse (7428321431), we get a palindrome (8769559678).

The spelling of 1341238247 in words is "one billion, three hundred forty-one million, two hundred thirty-eight thousand, two hundred forty-seven".