1125324513 has 12 divisors (see below), whose sum is σ = 1625771940. Its totient is φ = 750076416.

The previous prime is 1125324467. The next prime is 1125324553. The reversal of 1125324513 is 3154235211.

1125324513 is a `hidden beast` number, since 1 + 125 + 3 + 24 + 513 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 250525584 + 874798929 = 15828^2 + 29577^2 .

It is not a de Polignac number, because 1125324513 - 2⁶ = 1125324449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1125324553) 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, 67693 + ... + 82661.

It is an arithmetic number, because the mean of its divisors is an integer number (135480995).

Almost surely, 2^1125324513 is an apocalyptic number.

It is an amenable number.

1125324513 is a deficient number, since it is larger than the sum of its proper divisors (500447427).

1125324513 is a wasteful number, since it uses less digits than its factorization.

1125324513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23328 (or 23325 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 1125324513 is about 33545.8568678757. The cubic root of 1125324513 is about 1040.1419040220.

Adding to 1125324513 its reverse (3154235211), we get a palindrome (4279559724).

The spelling of 1125324513 in words is "one billion, one hundred twenty-five million, three hundred twenty-four thousand, five hundred thirteen".