12125130 has 32 divisors (see below), whose sum is σ = 29203200. Its totient is φ = 3221952.

The previous prime is 12125129. The next prime is 12125137. The reversal of 12125130 is 3152121.

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

It is not an unprimeable number, because it can be changed into a prime (12125137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11151 + ... + 12189.

It is an arithmetic number, because the mean of its divisors is an integer number (912600).

Almost surely, 2^12125130 is an apocalyptic number.

12125130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12125130 is an abundant number, since it is smaller than the sum of its proper divisors (17078070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12125130 is a wasteful number, since it uses less digits than its factorization.

12125130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438.

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

The square root of 12125130 is about 3482.1157361581. The cubic root of 12125130 is about 229.7358656536.

Adding to 12125130 its reverse (3152121), we get a palindrome (15277251).

The spelling of 12125130 in words is "twelve million, one hundred twenty-five thousand, one hundred thirty".