1199449419 has 16 divisors (see below), whose sum is σ = 1830216192. Its totient is φ = 684468288.

The previous prime is 1199449417. The next prime is 1199449429. The reversal of 1199449419 is 9149449911.

It is not a de Polignac number, because 1199449419 - 2¹ = 1199449417 is a prime.

It is a super-2 number, since 2×1199449419² = 2877357817478875122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1199449417) 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 15 ways as a sum of consecutive naturals, for example, 22834 + ... + 54039.

It is an arithmetic number, because the mean of its divisors is an integer number (114388512).

Almost surely, 2^1199449419 is an apocalyptic number.

1199449419 is a deficient number, since it is larger than the sum of its proper divisors (630766773).

1199449419 is an equidigital number, since it uses as much as digits as its factorization.

1199449419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77626.

The product of its digits is 419904, while the sum is 51.

The square root of 1199449419 is about 34633.0682874042. The cubic root of 1199449419 is about 1062.4960222043.

The spelling of 1199449419 in words is "one billion, one hundred ninety-nine million, four hundred forty-nine thousand, four hundred nineteen".