1200743424 has 132 divisors (see below), whose sum is σ = 3500836716. Its totient is φ = 396361728.

The previous prime is 1200743419. The next prime is 1200743441. The reversal of 1200743424 is 4243470021.

1200743424 is a `hidden beast` number, since 1 + 200 + 7 + 434 + 24 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 398721024 + 802022400 = 19968^2 + 28320^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1040832 + ... + 1041984.

Almost surely, 2^1200743424 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 1200743424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1750418358).

1200743424 is an abundant number, since it is smaller than the sum of its proper divisors (2300093292).

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

1200743424 is a wasteful number, since it uses less digits than its factorization.

1200743424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292 (or 1271 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 1200743424 is about 34651.7448911307. The cubic root of 1200743424 is about 1062.8779699601.

The spelling of 1200743424 in words is "one billion, two hundred million, seven hundred forty-three thousand, four hundred twenty-four".