1200983 has 8 divisors (see below), whose sum is σ = 1409952. Its totient is φ = 1001376.

The previous prime is 1200959. The next prime is 1200989. The reversal of 1200983 is 3890021.

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 1200983 - 2²⁰ = 152407 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200989) 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, 2060 + ... + 2577.

It is an arithmetic number, because the mean of its divisors is an integer number (176244).

2^1200983 is an apocalyptic number.

1200983 is a deficient number, since it is larger than the sum of its proper divisors (208969).

1200983 is an equidigital number, since it uses as much as digits as its factorization.

1200983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4681.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1200983 is about 1095.8936992245. The cubic root of 1200983 is about 106.2948654814.

The spelling of 1200983 in words is "one million, two hundred thousand, nine hundred eighty-three".