12120524 has 24 divisors (see below), whose sum is σ = 24187968. Its totient is φ = 5264640.

The previous prime is 12120523. The next prime is 12120533. The reversal of 12120524 is 42502121.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (12120523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5972 + ... + 7739.

It is an arithmetic number, because the mean of its divisors is an integer number (1007832).

Almost surely, 2^12120524 is an apocalyptic number.

It is an amenable number.

12120524 is a deficient number, since it is larger than the sum of its proper divisors (12067444).

12120524 is a wasteful number, since it uses less digits than its factorization.

12120524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13745 (or 13743 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 12120524 is about 3481.4542938261. The cubic root of 12120524 is about 229.7067718786.

Adding to 12120524 its reverse (42502121), we get a palindrome (54622645).

The spelling of 12120524 in words is "twelve million, one hundred twenty thousand, five hundred twenty-four".