1189799 has 8 divisors (see below), whose sum is σ = 1349040. Its totient is φ = 1040256.

The previous prime is 1189789. The next prime is 1189801. The reversal of 1189799 is 9979811.

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 1189799 - 2¹² = 1185703 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 (1189709) 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, 2162 + ... + 2655.

It is an arithmetic number, because the mean of its divisors is an integer number (168630).

2^1189799 is an apocalyptic number.

1189799 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1189799 is a deficient number, since it is larger than the sum of its proper divisors (159241).

1189799 is a wasteful number, since it uses less digits than its factorization.

1189799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4849.

The product of its digits is 40824, while the sum is 44.

The square root of 1189799 is about 1090.7790793740. The cubic root of 1189799 is about 105.9638835068.

It can be divided in two parts, 11 and 89799, that multiplied together give a palindrome (987789).

The spelling of 1189799 in words is "one million, one hundred eighty-nine thousand, seven hundred ninety-nine".