1028112252 has 12 divisors (see below), whose sum is σ = 2398928616. Its totient is φ = 342704080.

The previous prime is 1028112227. The next prime is 1028112289. The reversal of 1028112252 is 2522118201.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42837999 + ... + 42838022.

It is an arithmetic number, because the mean of its divisors is an integer number (199910718).

Almost surely, 2^1028112252 is an apocalyptic number.

1028112252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1028112252 is an abundant number, since it is smaller than the sum of its proper divisors (1370816364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1028112252 is a wasteful number, since it uses less digits than its factorization.

1028112252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85676028 (or 85676026 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 1028112252 is about 32064.1895578229. The cubic root of 1028112252 is about 1009.2842859391.

The spelling of 1028112252 in words is "one billion, twenty-eight million, one hundred twelve thousand, two hundred fifty-two".