1025128 has 16 divisors (see below), whose sum is σ = 2070180. Its totient is φ = 473088.

The previous prime is 1025119. The next prime is 1025137. The reversal of 1025128 is 8215201.

1025128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1025119) and next prime (1025137).

It can be written as a sum of positive squares in 2 ways, for example, as 956484 + 68644 = 978^2 + 262^2 .

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, 4825 + ... + 5032.

2^1025128 is an apocalyptic number.

It is an amenable number.

1025128 is an abundant number, since it is smaller than the sum of its proper divisors (1045052).

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

1025128 is a wasteful number, since it uses less digits than its factorization.

1025128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9876 (or 9872 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 1025128 is about 1012.4860492866. The cubic root of 1025128 is about 100.8306805911.

The spelling of 1025128 in words is "one million, twenty-five thousand, one hundred twenty-eight".