1000548125 has 10 divisors (see below), whose sum is σ = 1250285718. Its totient is φ = 800438000.

The previous prime is 1000548121. The next prime is 1000548161. The reversal of 1000548125 is 5218450001.

It can be written as a sum of positive squares in 5 ways, for example, as 367220569 + 633327556 = 19163^2 + 25166^2 .

It is not a de Polignac number, because 1000548125 - 2² = 1000548121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000548094 and 1000548103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000548121) 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 9 ways as a sum of consecutive naturals, for example, 799814 + ... + 801063.

Almost surely, 2^1000548125 is an apocalyptic number.

It is an amenable number.

1000548125 is a deficient number, since it is larger than the sum of its proper divisors (249737593).

1000548125 is an frugal number, since it uses more digits than its factorization.

1000548125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600897 (or 1600882 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 1000548125 is about 31631.4420316242. The cubic root of 1000548125 is about 1000.1826749612.

Adding to 1000548125 its reverse (5218450001), we get a palindrome (6218998126).

The spelling of 1000548125 in words is "one billion, five hundred forty-eight thousand, one hundred twenty-five".