1224772 has 6 divisors (see below), whose sum is σ = 2143358. Its totient is φ = 612384.

The previous prime is 1224767. The next prime is 1224809. The reversal of 1224772 is 2774221.

It can be written as a sum of positive squares in only one way, i.e., 835396 + 389376 = 914^2 + 624^2 .

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153093 + ... + 153100.

2^1224772 is an apocalyptic number.

It is an amenable number.

1224772 is a deficient number, since it is larger than the sum of its proper divisors (918586).

1224772 is a wasteful number, since it uses less digits than its factorization.

1224772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306197 (or 306195 counting only the distinct ones).

The product of its digits is 1568, while the sum is 25.

The square root of 1224772 is about 1106.6941763649. The cubic root of 1224772 is about 106.9921093549.

Adding to 1224772 its reverse (2774221), we get a palindrome (3998993).

The spelling of 1224772 in words is "one million, two hundred twenty-four thousand, seven hundred seventy-two".