1126939919 has 8 divisors (see below), whose sum is σ = 1294675968. Its totient is φ = 960890040.

The previous prime is 1126939897. The next prime is 1126939937. The reversal of 1126939919 is 9199396211.

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 1126939919 - 2⁸ = 1126939663 is a prime.

It is a super-2 number, since 2×1126939919² = 2539987162071453122, 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 (1126939949) 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, 420107 + ... + 422780.

It is an arithmetic number, because the mean of its divisors is an integer number (161834496).

Almost surely, 2^1126939919 is an apocalyptic number.

1126939919 is a deficient number, since it is larger than the sum of its proper divisors (167736049).

1126939919 is an equidigital number, since it uses as much as digits as its factorization.

1126939919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843085.

The product of its digits is 236196, while the sum is 50.

The square root of 1126939919 is about 33569.9258116547. The cubic root of 1126939919 is about 1040.6393747788.

The spelling of 1126939919 in words is "one billion, one hundred twenty-six million, nine hundred thirty-nine thousand, nine hundred nineteen".