12103125 has 24 divisors (see below), whose sum is σ = 20186208. Its totient is φ = 6450000.

The previous prime is 12103123. The next prime is 12103127. The reversal of 12103125 is 52130121.

It is an interprime number because it is at equal distance from previous prime (12103123) and next prime (12103127).

It is not a de Polignac number, because 12103125 - 2¹ = 12103123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12103123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8730 + ... + 10020.

It is an arithmetic number, because the mean of its divisors is an integer number (841092).

Almost surely, 2^12103125 is an apocalyptic number.

12103125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12103125 is a deficient number, since it is larger than the sum of its proper divisors (8083083).

12103125 is an frugal number, since it uses more digits than its factorization.

12103125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319 (or 1299 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 12103125 is about 3478.9545843543. The cubic root of 12103125 is about 229.5968046292.

Adding to 12103125 its reverse (52130121), we get a palindrome (64233246).

The spelling of 12103125 in words is "twelve million, one hundred three thousand, one hundred twenty-five".