1028887195 has 16 divisors (see below), whose sum is σ = 1412644608. Its totient is φ = 704723040.

The previous prime is 1028887193. The next prime is 1028887207. The reversal of 1028887195 is 5917888201.

It is not a de Polignac number, because 1028887195 - 2¹ = 1028887193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1028887193) 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 in 15 ways as a sum of consecutive naturals, for example, 15540 + ... + 47950.

It is an arithmetic number, because the mean of its divisors is an integer number (88290288).

Almost surely, 2^1028887195 is an apocalyptic number.

1028887195 is a deficient number, since it is larger than the sum of its proper divisors (383757413).

1028887195 is an equidigital number, since it uses as much as digits as its factorization.

1028887195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33330.

The product of its (nonzero) digits is 322560, while the sum is 49.

The square root of 1028887195 is about 32076.2715258491. The cubic root of 1028887195 is about 1009.5378060387.

The spelling of 1028887195 in words is "one billion, twenty-eight million, eight hundred eighty-seven thousand, one hundred ninety-five".