802250128 has 30 divisors (see below), whose sum is σ = 1651180466. Its totient is φ = 377527296.

The previous prime is 802250123. The next prime is 802250159. The reversal of 802250128 is 821052208.

It can be written as a sum of positive squares in 3 ways, for example, as 589906944 + 212343184 = 24288^2 + 14572^2 .

It is a junction number, because it is equal to n+sod(n) for n = 802250096 and 802250105.

It is not an unprimeable number, because it can be changed into a prime (802250123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 82125 + ... + 91372.

Almost surely, 2^802250128 is an apocalyptic number.

It is an amenable number.

802250128 is an abundant number, since it is smaller than the sum of its proper divisors (848930338).

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

802250128 is a wasteful number, since it uses less digits than its factorization.

802250128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173539 (or 173516 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 802250128 is about 28324.0203361034. The cubic root of 802250128 is about 929.1872994147.

The spelling of 802250128 in words is "eight hundred two million, two hundred fifty thousand, one hundred twenty-eight".