1224152 has 16 divisors (see below), whose sum is σ = 2395440. Its totient is φ = 585376.

The previous prime is 1224149. The next prime is 1224163. The reversal of 1224152 is 2514221.

It is a self number, because there is not a number n which added to its sum of digits gives 1224152.

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 in 3 ways as a sum of consecutive naturals, for example, 3143 + ... + 3510.

It is an arithmetic number, because the mean of its divisors is an integer number (149715).

2^1224152 is an apocalyptic number.

It is an amenable number.

1224152 is a deficient number, since it is larger than the sum of its proper divisors (1171288).

1224152 is a wasteful number, since it uses less digits than its factorization.

1224152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6682 (or 6678 counting only the distinct ones).

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

The square root of 1224152 is about 1106.4140273876. The cubic root of 1224152 is about 106.9740525780.

Adding to 1224152 its reverse (2514221), we get a palindrome (3738373).

The spelling of 1224152 in words is "one million, two hundred twenty-four thousand, one hundred fifty-two".