1229983 has 4 divisors (see below), whose sum is σ = 1232208. Its totient is φ = 1227760.

The previous prime is 1229981. The next prime is 1229993. The reversal of 1229983 is 3899221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3899221 = 197 ⋅19793.

It is a cyclic number.

It is not a de Polignac number, because 1229983 - 2¹ = 1229981 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 (1229981) 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, 435 + ... + 1627.

It is an arithmetic number, because the mean of its divisors is an integer number (308052).

2^1229983 is an apocalyptic number.

1229983 is a deficient number, since it is larger than the sum of its proper divisors (2225).

1229983 is a wasteful number, since it uses less digits than its factorization.

1229983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224.

The product of its digits is 7776, while the sum is 34.

The square root of 1229983 is about 1109.0459864226. The cubic root of 1229983 is about 107.1436333489.

The spelling of 1229983 in words is "one million, two hundred twenty-nine thousand, nine hundred eighty-three".