12120148 has 6 divisors (see below), whose sum is σ = 21210266. Its totient is φ = 6060072.

The previous prime is 12120091. The next prime is 12120179. The reversal of 12120148 is 84102121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11819844 + 300304 = 3438^2 + 548^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1515015 + ... + 1515022.

Almost surely, 2^12120148 is an apocalyptic number.

It is an amenable number.

12120148 is a deficient number, since it is larger than the sum of its proper divisors (9090118).

12120148 is a wasteful number, since it uses less digits than its factorization.

12120148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030041 (or 3030039 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 12120148 is about 3481.4002929856. The cubic root of 12120148 is about 229.7043965511.

Adding to 12120148 its reverse (84102121), we get a palindrome (96222269).

The spelling of 12120148 in words is "twelve million, one hundred twenty thousand, one hundred forty-eight".