1241343911 has 2 divisors, whose sum is σ = 1241343912. Its totient is φ = 1241343910.

The previous prime is 1241343871. The next prime is 1241343913. The reversal of 1241343911 is 1193431421.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1241343911 - 2¹⁰ = 1241342887 is a prime.

Together with 1241343913, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1241343913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620671955 + 620671956.

It is an arithmetic number, because the mean of its divisors is an integer number (620671956).

Almost surely, 2^1241343911 is an apocalyptic number.

1241343911 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241343911 is an equidigital number, since it uses as much as digits as its factorization.

1241343911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 29.

The square root of 1241343911 is about 35232.7108097007. The cubic root of 1241343911 is about 1074.7250527416.

The spelling of 1241343911 in words is "one billion, two hundred forty-one million, three hundred forty-three thousand, nine hundred eleven".