1028411987 has 2 divisors, whose sum is σ = 1028411988. Its totient is φ = 1028411986.

The previous prime is 1028411977. The next prime is 1028412071. The reversal of 1028411987 is 7891148201.

1028411987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1028411987 - 2²⁸ = 759976531 is a prime.

It is not a weakly prime, because it can be changed into another prime (1028411977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514205993 + 514205994.

It is an arithmetic number, because the mean of its divisors is an integer number (514205994).

Almost surely, 2^1028411987 is an apocalyptic number.

1028411987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028411987 is an equidigital number, since it uses as much as digits as its factorization.

1028411987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 41.

The square root of 1028411987 is about 32068.8632009306. The cubic root of 1028411987 is about 1009.3823583791.

The spelling of 1028411987 in words is "one billion, twenty-eight million, four hundred eleven thousand, nine hundred eighty-seven".