1126869919 has 8 divisors (see below), whose sum is σ = 1288299168. Its totient is φ = 965552640.

The previous prime is 1126869901. The next prime is 1126869949. The reversal of 1126869919 is 9199686211.

It is a happy number.

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 1126869919 - 2¹¹ = 1126867871 is a prime.

It is a super-2 number, since 2×1126869919² = 2539671628694133122, 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 (1126869949) 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 7 ways as a sum of consecutive naturals, for example, 5182 + ... + 47755.

It is an arithmetic number, because the mean of its divisors is an integer number (161037396).

Almost surely, 2^1126869919 is an apocalyptic number.

1126869919 is a deficient number, since it is larger than the sum of its proper divisors (161429249).

1126869919 is an equidigital number, since it uses as much as digits as its factorization.

1126869919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55985.

The product of its digits is 419904, while the sum is 52.

The square root of 1126869919 is about 33568.8831956024. The cubic root of 1126869919 is about 1040.6178278554.

The spelling of 1126869919 in words is "one billion, one hundred twenty-six million, eight hundred sixty-nine thousand, nine hundred nineteen".