1028767403 has 2 divisors, whose sum is σ = 1028767404. Its totient is φ = 1028767402.

The previous prime is 1028767381. The next prime is 1028767423. The reversal of 1028767403 is 3047678201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1028767403 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1028767423) 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, 514383701 + 514383702.

It is an arithmetic number, because the mean of its divisors is an integer number (514383702).

Almost surely, 2^1028767403 is an apocalyptic number.

1028767403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028767403 is an equidigital number, since it uses as much as digits as its factorization.

1028767403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 1028767403 is about 32074.4041721744. The cubic root of 1028767403 is about 1009.4986247928.

The spelling of 1028767403 in words is "one billion, twenty-eight million, seven hundred sixty-seven thousand, four hundred three".