1230943 has 8 divisors (see below), whose sum is σ = 1441440. Its totient is φ = 1029120.

The previous prime is 1230941. The next prime is 1230949. The reversal of 1230943 is 3490321.

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

It is a cyclic number.

It is not a de Polignac number, because 1230943 - 2¹ = 1230941 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230941) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1858 + ... + 2431.

It is an arithmetic number, because the mean of its divisors is an integer number (180180).

2^1230943 is an apocalyptic number.

1230943 is a deficient number, since it is larger than the sum of its proper divisors (210497).

1230943 is an equidigital number, since it uses as much as digits as its factorization.

1230943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4337.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 1230943 is about 1109.4787064203. The cubic root of 1230943 is about 107.1715012515.

The spelling of 1230943 in words is "one million, two hundred thirty thousand, nine hundred forty-three".