1189983 has 8 divisors (see below), whose sum is σ = 1680048. Its totient is φ = 746624.

The previous prime is 1189967. The next prime is 1189999. The reversal of 1189983 is 3899811.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1189967) and next prime (1189999).

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 1189983 - 2⁴ = 1189967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1189933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11616 + ... + 11717.

It is an arithmetic number, because the mean of its divisors is an integer number (210006).

2^1189983 is an apocalyptic number.

1189983 is a deficient number, since it is larger than the sum of its proper divisors (490065).

1189983 is a wasteful number, since it uses less digits than its factorization.

1189983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23353.

The product of its digits is 15552, while the sum is 39.

The square root of 1189983 is about 1090.8634194985. The cubic root of 1189983 is about 105.9693455917.

It can be divided in two parts, 118 and 9983, that added together give a palindrome (10101).

The spelling of 1189983 in words is "one million, one hundred eighty-nine thousand, nine hundred eighty-three".