8250128 has 40 divisors (see below), whose sum is σ = 16606080. Its totient is φ = 3968640.

The previous prime is 8250113. The next prime is 8250131. The reversal of 8250128 is 8210528.

It is a super-2 number, since 2×8250128² = 136129224032768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8250097 and 8250106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77051 + ... + 77157.

It is an arithmetic number, because the mean of its divisors is an integer number (415152).

Almost surely, 2^8250128 is an apocalyptic number.

It is an amenable number.

8250128 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

8250128 is a wasteful number, since it uses less digits than its factorization.

8250128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 8250128 is about 2872.3036051226. The cubic root of 8250128 is about 202.0630460332.

The spelling of 8250128 in words is "eight million, two hundred fifty thousand, one hundred twenty-eight".