1240341211 has 2 divisors, whose sum is σ = 1240341212. Its totient is φ = 1240341210.

The previous prime is 1240341187. The next prime is 1240341229. The reversal of 1240341211 is 1121430421.

It is a strong prime.

It is an emirp because it is prime and its reverse (1121430421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1240341211 - 2¹³ = 1240333019 is a prime.

It is not a weakly prime, because it can be changed into another prime (1240341241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620170605 + 620170606.

It is an arithmetic number, because the mean of its divisors is an integer number (620170606).

Almost surely, 2^1240341211 is an apocalyptic number.

1240341211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240341211 is an equidigital number, since it uses as much as digits as its factorization.

1240341211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1240341211 is about 35218.4782607085. The cubic root of 1240341211 is about 1074.4356037868.

Adding to 1240341211 its reverse (1121430421), we get a palindrome (2361771632).

The spelling of 1240341211 in words is "one billion, two hundred forty million, three hundred forty-one thousand, two hundred eleven".