1113543125 has 10 divisors (see below), whose sum is σ = 1391484270. Its totient is φ = 890834000.

The previous prime is 1113543121. The next prime is 1113543161. The reversal of 1113543125 is 5213453111.

It can be written as a sum of positive squares in 5 ways, for example, as 144528484 + 969014641 = 12022^2 + 31129^2 .

It is not a de Polignac number, because 1113543125 - 2² = 1113543121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1113543094 and 1113543103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113543121) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 890210 + ... + 891459.

It is an arithmetic number, because the mean of its divisors is an integer number (139148427).

Almost surely, 2^1113543125 is an apocalyptic number.

It is an amenable number.

1113543125 is a deficient number, since it is larger than the sum of its proper divisors (277941145).

1113543125 is an frugal number, since it uses more digits than its factorization.

1113543125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781689 (or 1781674 counting only the distinct ones).

The product of its digits is 1800, while the sum is 26.

The square root of 1113543125 is about 33369.7936013995. The cubic root of 1113543125 is about 1036.4993012321.

Adding to 1113543125 its reverse (5213453111), we get a palindrome (6326996236).

The spelling of 1113543125 in words is "one billion, one hundred thirteen million, five hundred forty-three thousand, one hundred twenty-five".