1123049119 has 4 divisors (see below), whose sum is σ = 1123193296. Its totient is φ = 1122904944.

The previous prime is 1123049113. The next prime is 1123049141. The reversal of 1123049119 is 9119403211.

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

It is a cyclic number.

It is not a de Polignac number, because 1123049119 - 2⁹ = 1123048607 is a prime.

It is a super-2 number, since 2×1123049119² = 2522478647373352322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123049113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59694 + ... + 76219.

It is an arithmetic number, because the mean of its divisors is an integer number (280798324).

Almost surely, 2^1123049119 is an apocalyptic number.

1123049119 is a deficient number, since it is larger than the sum of its proper divisors (144177).

1123049119 is an equidigital number, since it uses as much as digits as its factorization.

1123049119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144176.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 1123049119 is about 33511.9250267722. The cubic root of 1123049119 is about 1039.4403790888.

The spelling of 1123049119 in words is "one billion, one hundred twenty-three million, forty-nine thousand, one hundred nineteen".