1199120448 has 56 divisors (see below), whose sum is σ = 3195901152. Its totient is φ = 396780544.

The previous prime is 1199120443. The next prime is 1199120467. The reversal of 1199120448 is 8440219911.

It is not an unprimeable number, because it can be changed into a prime (1199120441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3511 + ... + 49097.

Almost surely, 2^1199120448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1199120448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1597950576).

1199120448 is an abundant number, since it is smaller than the sum of its proper divisors (1996780704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1199120448 is a wasteful number, since it uses less digits than its factorization.

1199120448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45739 (or 45729 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 1199120448 is about 34628.3185846498. The cubic root of 1199120448 is about 1062.3988769827.

The spelling of 1199120448 in words is "one billion, one hundred ninety-nine million, one hundred twenty thousand, four hundred forty-eight".