1125443525 has 6 divisors (see below), whose sum is σ = 1395550002. Its totient is φ = 900354800.

The previous prime is 1125443489. The next prime is 1125443531. The reversal of 1125443525 is 5253445211.

It can be written as a sum of positive squares in 3 ways, for example, as 10484644 + 1114958881 = 3238^2 + 33391^2 .

It is not a de Polignac number, because 1125443525 - 2¹⁰ = 1125442501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1125443491 and 1125443500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22508846 + ... + 22508895.

It is an arithmetic number, because the mean of its divisors is an integer number (232591667).

Almost surely, 2^1125443525 is an apocalyptic number.

It is an amenable number.

1125443525 is a deficient number, since it is larger than the sum of its proper divisors (270106477).

1125443525 is an equidigital number, since it uses as much as digits as its factorization.

1125443525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45017751 (or 45017746 counting only the distinct ones).

The product of its digits is 24000, while the sum is 32.

The square root of 1125443525 is about 33547.6306913022. The cubic root of 1125443525 is about 1040.1785704837.

Adding to 1125443525 its reverse (5253445211), we get a palindrome (6378888736).

The spelling of 1125443525 in words is "one billion, one hundred twenty-five million, four hundred forty-three thousand, five hundred twenty-five".