1241310811 has 16 divisors (see below), whose sum is σ = 1423656864. Its totient is φ = 1072157184.

The previous prime is 1241310781. The next prime is 1241310823. The reversal of 1241310811 is 1180131421.

It is a cyclic number.

It is not a de Polignac number, because 1241310811 - 2¹¹ = 1241308763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1241310841) 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 in 15 ways as a sum of consecutive naturals, for example, 22000 + ... + 54466.

It is an arithmetic number, because the mean of its divisors is an integer number (88978554).

Almost surely, 2^1241310811 is an apocalyptic number.

1241310811 is a deficient number, since it is larger than the sum of its proper divisors (182346053).

1241310811 is a wasteful number, since it uses less digits than its factorization.

1241310811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32670.

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 1241310811 is about 35232.2410726312. The cubic root of 1241310811 is about 1074.7155002679.

The spelling of 1241310811 in words is "one billion, two hundred forty-one million, three hundred ten thousand, eight hundred eleven".