1129199 has 4 divisors (see below), whose sum is σ = 1134360. Its totient is φ = 1124040.

The previous prime is 1129187. The next prime is 1129211. The reversal of 1129199 is 9919211.

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

It is an interprime number because it is at equal distance from previous prime (1129187) and next prime (1129211).

It is a cyclic number.

It is not a de Polignac number, because 1129199 - 2⁸ = 1128943 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129109) 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 3 ways as a sum of consecutive naturals, for example, 2237 + ... + 2694.

It is an arithmetic number, because the mean of its divisors is an integer number (283590).

2^1129199 is an apocalyptic number.

1129199 is a deficient number, since it is larger than the sum of its proper divisors (5161).

1129199 is an equidigital number, since it uses as much as digits as its factorization.

1129199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5160.

The product of its digits is 1458, while the sum is 32.

The square root of 1129199 is about 1062.6377557757. The cubic root of 1129199 is about 104.1334271188.

The spelling of 1129199 in words is "one million, one hundred twenty-nine thousand, one hundred ninety-nine".