1119999 has 8 divisors (see below), whose sum is σ = 1541632. Its totient is φ = 722520.

The previous prime is 1119959. The next prime is 1120001. The reversal of 1119999 is 9999111.

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

It is not a de Polignac number, because 1119999 - 2⁷ = 1119871 is a prime.

It is a Duffinian number.

1119999 is a modest number, since divided by 9999 gives 111 as remainder.

It is a plaindrome in base 10 and base 16.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1119949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5929 + ... + 6114.

It is an arithmetic number, because the mean of its divisors is an integer number (192704).

2^1119999 is an apocalyptic number.

1119999 is a deficient number, since it is larger than the sum of its proper divisors (421633).

1119999 is a wasteful number, since it uses less digits than its factorization.

1119999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12077.

The product of its digits is 6561, while the sum is 39.

The square root of 1119999 is about 1058.3000519701. The cubic root of 1119999 is about 103.8498511293.

The spelling of 1119999 in words is "one million, one hundred nineteen thousand, nine hundred ninety-nine".