1028361287 has 2 divisors, whose sum is σ = 1028361288. Its totient is φ = 1028361286.

The previous prime is 1028361247. The next prime is 1028361317. The reversal of 1028361287 is 7821638201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1028361287 - 2⁶ = 1028361223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1028361287.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1028361247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514180643 + 514180644.

It is an arithmetic number, because the mean of its divisors is an integer number (514180644).

Almost surely, 2^1028361287 is an apocalyptic number.

1028361287 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028361287 is an equidigital number, since it uses as much as digits as its factorization.

1028361287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 1028361287 is about 32068.0727047947. The cubic root of 1028361287 is about 1009.3657708224.

Adding to 1028361287 its reverse (7821638201), we get a palindrome (8849999488).

The spelling of 1028361287 in words is "one billion, twenty-eight million, three hundred sixty-one thousand, two hundred eighty-seven".