1028811295 has 8 divisors (see below), whose sum is σ = 1236468096. Its totient is φ = 821786016.

The previous prime is 1028811263. The next prime is 1028811323. The reversal of 1028811295 is 5921188201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1028811295 - 2⁵ = 1028811263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 154287 + ... + 160816.

It is an arithmetic number, because the mean of its divisors is an integer number (154558512).

Almost surely, 2^1028811295 is an apocalyptic number.

1028811295 is a deficient number, since it is larger than the sum of its proper divisors (207656801).

1028811295 is an equidigital number, since it uses as much as digits as its factorization.

1028811295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315761.

The product of its (nonzero) digits is 11520, while the sum is 37.

The square root of 1028811295 is about 32075.0883864721. The cubic root of 1028811295 is about 1009.5129812234.

Adding to 1028811295 its reverse (5921188201), we get a palindrome (6949999496).

The spelling of 1028811295 in words is "one billion, twenty-eight million, eight hundred eleven thousand, two hundred ninety-five".