1241404111 has 2 divisors, whose sum is σ = 1241404112. Its totient is φ = 1241404110.

The previous prime is 1241404097. The next prime is 1241404187. The reversal of 1241404111 is 1114041421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1241404111 - 2²³ = 1233015503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1241404511) 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, 620702055 + 620702056.

It is an arithmetic number, because the mean of its divisors is an integer number (620702056).

Almost surely, 2^1241404111 is an apocalyptic number.

1241404111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241404111 is an equidigital number, since it uses as much as digits as its factorization.

1241404111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 1241404111 is about 35233.5651190736. The cubic root of 1241404111 is about 1074.7424256877.

Adding to 1241404111 its reverse (1114041421), we get a palindrome (2355445532).

The spelling of 1241404111 in words is "one billion, two hundred forty-one million, four hundred four thousand, one hundred eleven".