1028247112 has 8 divisors (see below), whose sum is σ = 1927963350. Its totient is φ = 514123552.

The previous prime is 1028247109. The next prime is 1028247119. The reversal of 1028247112 is 2117428201.

1028247112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 597020356 + 431226756 = 24434^2 + 20766^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1028247119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64265437 + ... + 64265452.

Almost surely, 2^1028247112 is an apocalyptic number.

It is an amenable number.

1028247112 is a deficient number, since it is larger than the sum of its proper divisors (899716238).

1028247112 is a wasteful number, since it uses less digits than its factorization.

1028247112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128530895 (or 128530891 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 1028247112 is about 32066.2924579690. The cubic root of 1028247112 is about 1009.3284141062.

The spelling of 1028247112 in words is "one billion, twenty-eight million, two hundred forty-seven thousand, one hundred twelve".