1230844 has 6 divisors (see below), whose sum is σ = 2153984. Its totient is φ = 615420.

The previous prime is 1230829. The next prime is 1230863. The reversal of 1230844 is 4480321.

It is a d-powerful number, because it can be written as 1 + 2⁹ + 3¹¹ + 0 + 8³ + 4⁶ + 4¹⁰ .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153852 + ... + 153859.

2^1230844 is an apocalyptic number.

It is an amenable number.

1230844 is a deficient number, since it is larger than the sum of its proper divisors (923140).

1230844 is a wasteful number, since it uses less digits than its factorization.

1230844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307715 (or 307713 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1230844 is about 1109.4340899756. The cubic root of 1230844 is about 107.1686280443.

The spelling of 1230844 in words is "one million, two hundred thirty thousand, eight hundred forty-four".