1028361247 has 2 divisors, whose sum is σ = 1028361248. Its totient is φ = 1028361246.

The previous prime is 1028361223. The next prime is 1028361287. The reversal of 1028361247 is 7421638201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1028361247 - 2¹⁵ = 1028328479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1028361287) 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, 514180623 + 514180624.

It is an arithmetic number, because the mean of its divisors is an integer number (514180624).

Almost surely, 2^1028361247 is an apocalyptic number.

1028361247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028361247 is an equidigital number, since it uses as much as digits as its factorization.

1028361247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 1028361247 is about 32068.0720811214. The cubic root of 1028361247 is about 1009.3657577353.

Adding to 1028361247 its reverse (7421638201), we get a palindrome (8449999448).

The spelling of 1028361247 in words is "one billion, twenty-eight million, three hundred sixty-one thousand, two hundred forty-seven".