1241003993 has 2 divisors, whose sum is σ = 1241003994. Its totient is φ = 1241003992.

The previous prime is 1241003983. The next prime is 1241004071. The reversal of 1241003993 is 3993001421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 752240329 + 488763664 = 27427^2 + 22108^2 .

It is an emirp because it is prime and its reverse (3993001421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1241003993 - 2¹² = 1240999897 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1241003903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620501996 + 620501997.

It is an arithmetic number, because the mean of its divisors is an integer number (620501997).

Almost surely, 2^1241003993 is an apocalyptic number.

It is an amenable number.

1241003993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241003993 is an equidigital number, since it uses as much as digits as its factorization.

1241003993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 1241003993 is about 35227.8865815138. The cubic root of 1241003993 is about 1074.6269462359.

The spelling of 1241003993 in words is "one billion, two hundred forty-one million, three thousand, nine hundred ninety-three".