1240763803 has 2 divisors, whose sum is σ = 1240763804. Its totient is φ = 1240763802.

The previous prime is 1240763723. The next prime is 1240763807. The reversal of 1240763803 is 3083670421.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1240763803 is a prime.

It is not a weakly prime, because it can be changed into another prime (1240763807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620381901 + 620381902.

It is an arithmetic number, because the mean of its divisors is an integer number (620381902).

Almost surely, 2^1240763803 is an apocalyptic number.

1240763803 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240763803 is an equidigital number, since it uses as much as digits as its factorization.

1240763803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 1240763803 is about 35224.4773275630. The cubic root of 1240763803 is about 1074.5576122392.

The spelling of 1240763803 in words is "one billion, two hundred forty million, seven hundred sixty-three thousand, eight hundred three".