1240202303 has 2 divisors, whose sum is σ = 1240202304. Its totient is φ = 1240202302.

The previous prime is 1240202281. The next prime is 1240202339. The reversal of 1240202303 is 3032020421.

It is a weak prime.

It is an emirp because it is prime and its reverse (3032020421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1240202303 - 2¹⁰ = 1240201279 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1240232303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620101151 + 620101152.

It is an arithmetic number, because the mean of its divisors is an integer number (620101152).

Almost surely, 2^1240202303 is an apocalyptic number.

1240202303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240202303 is an equidigital number, since it uses as much as digits as its factorization.

1240202303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1240202303 is about 35216.5061157407. The cubic root of 1240202303 is about 1074.3954929766.

Adding to 1240202303 its reverse (3032020421), we get a palindrome (4272222724).

The spelling of 1240202303 in words is "one billion, two hundred forty million, two hundred two thousand, three hundred three".