12125270 has 16 divisors (see below), whose sum is σ = 22416048. Its totient is φ = 4718880.

The previous prime is 12125257. The next prime is 12125273. The reversal of 12125270 is 7252121.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12125273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16016 + ... + 16755.

It is an arithmetic number, because the mean of its divisors is an integer number (1401003).

Almost surely, 2^12125270 is an apocalyptic number.

12125270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12125270 is a deficient number, since it is larger than the sum of its proper divisors (10290778).

12125270 is a wasteful number, since it uses less digits than its factorization.

12125270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32815.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 12125270 is about 3482.1358388208. The cubic root of 12125270 is about 229.7367498475.

Adding to 12125270 its reverse (7252121), we get a palindrome (19377391).

The spelling of 12125270 in words is "twelve million, one hundred twenty-five thousand, two hundred seventy".