1224148 has 24 divisors (see below), whose sum is σ = 2265480. Its totient is φ = 577920.

The previous prime is 1224133. The next prime is 1224149. The reversal of 1224148 is 8414221.

It can be written as a sum of positive squares in 4 ways, for example, as 138384 + 1085764 = 372^2 + 1042^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224149) 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 7 ways as a sum of consecutive naturals, for example, 6990 + ... + 7162.

It is an arithmetic number, because the mean of its divisors is an integer number (94395).

2^1224148 is an apocalyptic number.

It is an amenable number.

1224148 is a deficient number, since it is larger than the sum of its proper divisors (1041332).

1224148 is a wasteful number, since it uses less digits than its factorization.

1224148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267 (or 265 counting only the distinct ones).

The product of its digits is 512, while the sum is 22.

The square root of 1224148 is about 1106.4122197445. The cubic root of 1224148 is about 106.9739360629.

Adding to 1224148 its reverse (8414221), we get a palindrome (9638369).

The spelling of 1224148 in words is "one million, two hundred twenty-four thousand, one hundred forty-eight".