1025849128 has 32 divisors (see below), whose sum is σ = 2032531200. Its totient is φ = 484406208.

The previous prime is 1025849113. The next prime is 1025849137. The reversal of 1025849128 is 8219485201.

1025849128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 20751 + ... + 49822.

It is an arithmetic number, because the mean of its divisors is an integer number (63516600).

Almost surely, 2^1025849128 is an apocalyptic number.

It is an amenable number.

1025849128 is a deficient number, since it is larger than the sum of its proper divisors (1006682072).

1025849128 is a wasteful number, since it uses less digits than its factorization.

1025849128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70681 (or 70677 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 1025849128 is about 32028.8795932671. The cubic root of 1025849128 is about 1008.5431821939.

The spelling of 1025849128 in words is "one billion, twenty-five million, eight hundred forty-nine thousand, one hundred twenty-eight".