1241311003 has 2 divisors, whose sum is σ = 1241311004. Its totient is φ = 1241311002.

The previous prime is 1241310997. The next prime is 1241311007. The reversal of 1241311003 is 3001131421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1241311003 - 2⁹ = 1241310491 is a prime.

It is a super-3 number, since 3×1241311003³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1241311007) 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, 620655501 + 620655502.

It is an arithmetic number, because the mean of its divisors is an integer number (620655502).

Almost surely, 2^1241311003 is an apocalyptic number.

1241311003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241311003 is an equidigital number, since it uses as much as digits as its factorization.

1241311003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1241311003 is about 35232.2437974081. The cubic root of 1241311003 is about 1074.7155556785.

Adding to 1241311003 its reverse (3001131421), we get a palindrome (4242442424).

The spelling of 1241311003 in words is "one billion, two hundred forty-one million, three hundred eleven thousand, three".