1229744 has 20 divisors (see below), whose sum is σ = 2403120. Its totient is φ = 609600.

The previous prime is 1229743. The next prime is 1229773. The reversal of 1229744 is 4479221.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1229743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2162 + ... + 2670.

It is an arithmetic number, because the mean of its divisors is an integer number (120156).

2^1229744 is an apocalyptic number.

It is an amenable number.

1229744 is a deficient number, since it is larger than the sum of its proper divisors (1173376).

1229744 is a wasteful number, since it uses less digits than its factorization.

1229744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668 (or 662 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 1229744 is about 1108.9382309218. The cubic root of 1229744 is about 107.1366931480.

The spelling of 1229744 in words is "one million, two hundred twenty-nine thousand, seven hundred forty-four".