1103125 has 12 divisors (see below), whose sum is σ = 1382724. Its totient is φ = 880000.

The previous prime is 1103119. The next prime is 1103129. The reversal of 1103125 is 5213011.

It can be written as a sum of positive squares in 6 ways, for example, as 948676 + 154449 = 974^2 + 393^2 .

It is not a de Polignac number, because 1103125 - 2¹⁵ = 1070357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2949 + ... + 3301.

It is an arithmetic number, because the mean of its divisors is an integer number (115227).

2^1103125 is an apocalyptic number.

It is an amenable number.

1103125 is a deficient number, since it is larger than the sum of its proper divisors (279599).

1103125 is an frugal number, since it uses more digits than its factorization.

1103125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 1103125 is about 1050.2975768800. The cubic root of 1103125 is about 103.3256729204.

Adding to 1103125 its reverse (5213011), we get a palindrome (6316136).

The spelling of 1103125 in words is "one million, one hundred three thousand, one hundred twenty-five".