1282348787 has 2 divisors, whose sum is σ = 1282348788. Its totient is φ = 1282348786.

The previous prime is 1282348783. The next prime is 1282348829. The reversal of 1282348787 is 7878432821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1282348787 - 2² = 1282348783 is a prime.

It is not a weakly prime, because it can be changed into another prime (1282348783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641174393 + 641174394.

It is an arithmetic number, because the mean of its divisors is an integer number (641174394).

Almost surely, 2^1282348787 is an apocalyptic number.

1282348787 is a deficient number, since it is larger than the sum of its proper divisors (1).

1282348787 is an equidigital number, since it uses as much as digits as its factorization.

1282348787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1204224, while the sum is 50.

The square root of 1282348787 is about 35809.8978915048. The cubic root of 1282348787 is about 1086.4307646658.

The spelling of 1282348787 in words is "one billion, two hundred eighty-two million, three hundred forty-eight thousand, seven hundred eighty-seven".