1028860553 has 8 divisors (see below), whose sum is σ = 1245007872. Its totient is φ = 830005056.

The previous prime is 1028860531. The next prime is 1028860561. The reversal of 1028860553 is 3550688201.

1028860553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1028860553 - 2⁸ = 1028860297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1028860253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4322825 + ... + 4323062.

It is an arithmetic number, because the mean of its divisors is an integer number (155625984).

Almost surely, 2^1028860553 is an apocalyptic number.

It is an amenable number.

1028860553 is a deficient number, since it is larger than the sum of its proper divisors (216147319).

1028860553 is an equidigital number, since it uses as much as digits as its factorization.

1028860553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8645911.

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 1028860553 is about 32075.8562317516. The cubic root of 1028860553 is about 1009.5290923078.

The spelling of 1028860553 in words is "one billion, twenty-eight million, eight hundred sixty thousand, five hundred fifty-three".