1103140125 has 48 divisors (see below), whose sum is σ = 2002244400. Its totient is φ = 584304000.

The previous prime is 1103140123. The next prime is 1103140139. The reversal of 1103140125 is 5210413011.

It can be written as a sum of positive squares in 8 ways, for example, as 741037284 + 362102841 = 27222^2 + 19029^2 .

It is not a de Polignac number, because 1103140125 - 2¹ = 1103140123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1103140098 and 1103140107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103140123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 164335 + ... + 170915.

It is an arithmetic number, because the mean of its divisors is an integer number (41713425).

Almost surely, 2^1103140125 is an apocalyptic number.

1103140125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1103140125 is a deficient number, since it is larger than the sum of its proper divisors (899104275).

1103140125 is a wasteful number, since it uses less digits than its factorization.

1103140125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6751 (or 6738 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1103140125 is about 33213.5533329393. The cubic root of 1103140125 is about 1033.2614515266.

Adding to 1103140125 its reverse (5210413011), we get a palindrome (6313553136).

The spelling of 1103140125 in words is "one billion, one hundred three million, one hundred forty thousand, one hundred twenty-five".