1025022125 has 8 divisors (see below), whose sum is σ = 1279227768. Its totient is φ = 820017600.

The previous prime is 1025022121. The next prime is 1025022149. The reversal of 1025022125 is 5212205201.

It is a happy number.

1025022125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 112317604 + 912704521 = 10598^2 + 30211^2 .

It is not a de Polignac number, because 1025022125 - 2² = 1025022121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1025022097 and 1025022106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025022121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4099964 + ... + 4100213.

It is an arithmetic number, because the mean of its divisors is an integer number (159903471).

Almost surely, 2^1025022125 is an apocalyptic number.

It is an amenable number.

1025022125 is a deficient number, since it is larger than the sum of its proper divisors (254205643).

1025022125 is an frugal number, since it uses more digits than its factorization.

1025022125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8200192 (or 8200182 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 1025022125 is about 32015.9667197478. The cubic root of 1025022125 is about 1008.2720921453.

Adding to 1025022125 its reverse (5212205201), we get a palindrome (6237227326).

The spelling of 1025022125 in words is "one billion, twenty-five million, twenty-two thousand, one hundred twenty-five".