1125010025 has 12 divisors (see below), whose sum is σ = 1402725324. Its totient is φ = 895032000.

The previous prime is 1125009997. The next prime is 1125010027. The reversal of 1125010025 is 5200105211.

It can be written as a sum of positive squares in 6 ways, for example, as 240126016 + 884884009 = 15496^2 + 29747^2 .

It is not a de Polignac number, because 1125010025 - 2⁶ = 1125009961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1125009985 and 1125010012.

It is not an unprimeable number, because it can be changed into a prime (1125010027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119786 + ... + 128835.

It is an arithmetic number, because the mean of its divisors is an integer number (116893777).

Almost surely, 2^1125010025 is an apocalyptic number.

It is an amenable number.

1125010025 is a deficient number, since it is larger than the sum of its proper divisors (277715299).

1125010025 is a wasteful number, since it uses less digits than its factorization.

1125010025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248812 (or 248807 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 1125010025 is about 33541.1691060404. The cubic root of 1125010025 is about 1040.0450008265.

Adding to 1125010025 its reverse (5200105211), we get a palindrome (6325115236).

The spelling of 1125010025 in words is "one billion, one hundred twenty-five million, ten thousand, twenty-five".