1103115125 has 32 divisors (see below), whose sum is σ = 1665930240. Its totient is φ = 711916800.

The previous prime is 1103115119. The next prime is 1103115161. The reversal of 1103115125 is 5215113011.

It is a happy number.

It is not a de Polignac number, because 1103115125 - 2⁸ = 1103114869 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1103115097 and 1103115106.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 22205 + ... + 51954.

It is an arithmetic number, because the mean of its divisors is an integer number (52060320).

Almost surely, 2^1103115125 is an apocalyptic number.

It is an amenable number.

1103115125 is a deficient number, since it is larger than the sum of its proper divisors (562815115).

1103115125 is an equidigital number, since it uses as much as digits as its factorization.

1103115125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74198 (or 74188 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 20.

The square root of 1103115125 is about 33213.1769784223. The cubic root of 1103115125 is about 1033.2536460112.

Adding to 1103115125 its reverse (5215113011), we get a palindrome (6318228136).

The spelling of 1103115125 in words is "one billion, one hundred three million, one hundred fifteen thousand, one hundred twenty-five".