1149199 has 4 divisors (see below), whose sum is σ = 1170936. Its totient is φ = 1127464.

The previous prime is 1149193. The next prime is 1149209. The reversal of 1149199 is 9919411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9919411 = 31 ⋅319981.

It is a cyclic number.

It is not a de Polignac number, because 1149199 - 2³ = 1149191 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 (1149191) 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, 10789 + ... + 10894.

It is an arithmetic number, because the mean of its divisors is an integer number (292734).

2^1149199 is an apocalyptic number.

1149199 is a deficient number, since it is larger than the sum of its proper divisors (21737).

1149199 is an equidigital number, since it uses as much as digits as its factorization.

1149199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21736.

The product of its digits is 2916, while the sum is 34.

The square root of 1149199 is about 1072.0069962458. The cubic root of 1149199 is about 104.7446250491.

The spelling of 1149199 in words is "one million, one hundred forty-nine thousand, one hundred ninety-nine".