1228924 has 12 divisors (see below), whose sum is σ = 2178400. Its totient is φ = 606528.

The previous prime is 1228919. The next prime is 1228937. The reversal of 1228924 is 4298221.

It is a junction number, because it is equal to n+sod(n) for n = 1228892 and 1228901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1629 + ... + 2260.

2^1228924 is an apocalyptic number.

It is an amenable number.

1228924 is a deficient number, since it is larger than the sum of its proper divisors (949476).

1228924 is a wasteful number, since it uses less digits than its factorization.

1228924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3972 (or 3970 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 1228924 is about 1108.5684462405. The cubic root of 1228924 is about 107.1128747429.

The spelling of 1228924 in words is "one million, two hundred twenty-eight thousand, nine hundred twenty-four".