1224764 has 6 divisors (see below), whose sum is σ = 2143344. Its totient is φ = 612380.

The previous prime is 1224763. The next prime is 1224767. The reversal of 1224764 is 4674221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153092 + ... + 153099.

It is an arithmetic number, because the mean of its divisors is an integer number (357224).

2^1224764 is an apocalyptic number.

It is an amenable number.

1224764 is a deficient number, since it is larger than the sum of its proper divisors (918580).

1224764 is a wasteful number, since it uses less digits than its factorization.

1224764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306195 (or 306193 counting only the distinct ones).

The product of its digits is 2688, while the sum is 26.

The square root of 1224764 is about 1106.6905619910. The cubic root of 1224764 is about 106.9918764031.

Adding to 1224764 its reverse (4674221), we get a palindrome (5898985).

The spelling of 1224764 in words is "one million, two hundred twenty-four thousand, seven hundred sixty-four".