12124245 has 16 divisors (see below), whose sum is σ = 22170240. Its totient is φ = 5542464.

The previous prime is 12124241. The next prime is 12124267. The reversal of 12124245 is 54242121.

12124245 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12124245 - 2² = 12124241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12124241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57630 + ... + 57839.

It is an arithmetic number, because the mean of its divisors is an integer number (1385640).

Almost surely, 2^12124245 is an apocalyptic number.

12124245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12124245 is a deficient number, since it is larger than the sum of its proper divisors (10045995).

12124245 is a wasteful number, since it uses less digits than its factorization.

12124245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115484.

The product of its digits is 640, while the sum is 21.

The square root of 12124245 is about 3481.9886559264. The cubic root of 12124245 is about 229.7302761276.

Adding to 12124245 its reverse (54242121), we get a palindrome (66366366).

The spelling of 12124245 in words is "twelve million, one hundred twenty-four thousand, two hundred forty-five".