1125244425 has 48 divisors (see below), whose sum is σ = 1910734848. Its totient is φ = 584001600.

The previous prime is 1125244403. The next prime is 1125244427. The reversal of 1125244425 is 5244425211.

It is not a de Polignac number, because 1125244425 - 2⁹ = 1125243913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1125244392 and 1125244401.

It is not an unprimeable number, because it can be changed into a prime (1125244427) 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 47 ways as a sum of consecutive naturals, for example, 1234720 + ... + 1235630.

It is an arithmetic number, because the mean of its divisors is an integer number (39806976).

Almost surely, 2^1125244425 is an apocalyptic number.

1125244425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1125244425 is a deficient number, since it is larger than the sum of its proper divisors (785490423).

1125244425 is a wasteful number, since it uses less digits than its factorization.

1125244425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350 (or 1345 counting only the distinct ones).

The product of its digits is 12800, while the sum is 30.

The square root of 1125244425 is about 33544.6631373755. The cubic root of 1125244425 is about 1040.1172282181.

Adding to 1125244425 its reverse (5244425211), we get a palindrome (6369669636).

The spelling of 1125244425 in words is "one billion, one hundred twenty-five million, two hundred forty-four thousand, four hundred twenty-five".