1229798 has 8 divisors (see below), whose sum is σ = 1852320. Its totient is φ = 612360.

The previous prime is 1229783. The next prime is 1229807. The reversal of 1229798 is 8979221.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 593 + ... + 1676.

It is an arithmetic number, because the mean of its divisors is an integer number (231540).

2^1229798 is an apocalyptic number.

1229798 is a deficient number, since it is larger than the sum of its proper divisors (622522).

1229798 is a wasteful number, since it uses less digits than its factorization.

1229798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2542.

The product of its digits is 18144, while the sum is 38.

The square root of 1229798 is about 1108.9625782685. The cubic root of 1229798 is about 107.1382613055.

The spelling of 1229798 in words is "one million, two hundred twenty-nine thousand, seven hundred ninety-eight".