1189199 has 4 divisors (see below), whose sum is σ = 1297320. Its totient is φ = 1081080.

The previous prime is 1189193. The next prime is 1189213. The reversal of 1189199 is 9919811.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1189199 - 2¹² = 1185103 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 (1189193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54044 + ... + 54065.

It is an arithmetic number, because the mean of its divisors is an integer number (324330).

2^1189199 is an apocalyptic number.

1189199 is a deficient number, since it is larger than the sum of its proper divisors (108121).

1189199 is a wasteful number, since it uses less digits than its factorization.

1189199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108120.

The product of its digits is 5832, while the sum is 38.

The square root of 1189199 is about 1090.5040119138. The cubic root of 1189199 is about 105.9460684472.

It can be divided in two parts, 11 and 89199, that multiplied together give a palindrome (981189).

The spelling of 1189199 in words is "one million, one hundred eighty-nine thousand, one hundred ninety-nine".