1025988852 has 72 divisors (see below), whose sum is σ = 2793280896. Its totient is φ = 292250112.

The previous prime is 1025988839. The next prime is 1025988857. The reversal of 1025988852 is 2588895201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025988857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 205093 + ... + 210035.

It is an arithmetic number, because the mean of its divisors is an integer number (38795568).

Almost surely, 2^1025988852 is an apocalyptic number.

1025988852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1025988852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1396640448).

1025988852 is an abundant number, since it is smaller than the sum of its proper divisors (1767292044).

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

1025988852 is a wasteful number, since it uses less digits than its factorization.

1025988852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5317 (or 5308 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 48.

The square root of 1025988852 is about 32031.0607379774. The cubic root of 1025988852 is about 1008.5889690731.

The spelling of 1025988852 in words is "one billion, twenty-five million, nine hundred eighty-eight thousand, eight hundred fifty-two".