1204943 has 4 divisors (see below), whose sum is σ = 1275840. Its totient is φ = 1134048.

The previous prime is 1204937. The next prime is 1204967. The reversal of 1204943 is 3494021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3494021 = 37 ⋅94433.

It is a cyclic number.

It is not a de Polignac number, because 1204943 - 2¹⁰ = 1203919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204243) 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 3 ways as a sum of consecutive naturals, for example, 35423 + ... + 35456.

It is an arithmetic number, because the mean of its divisors is an integer number (318960).

2^1204943 is an apocalyptic number.

1204943 is a deficient number, since it is larger than the sum of its proper divisors (70897).

1204943 is an equidigital number, since it uses as much as digits as its factorization.

1204943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70896.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1204943 is about 1097.6989569094. The cubic root of 1204943 is about 106.4115659596.

Adding to 1204943 its reverse (3494021), we get a palindrome (4698964).

The spelling of 1204943 in words is "one million, two hundred four thousand, nine hundred forty-three".