1200512043 has 16 divisors (see below), whose sum is σ = 1839866400. Its totient is φ = 772742880.

The previous prime is 1200512041. The next prime is 1200512059. The reversal of 1200512043 is 3402150021.

1200512043 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1200512043 - 2¹ = 1200512041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1200512041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 765828 + ... + 767393.

It is an arithmetic number, because the mean of its divisors is an integer number (114991650).

Almost surely, 2^1200512043 is an apocalyptic number.

1200512043 is a deficient number, since it is larger than the sum of its proper divisors (639354357).

1200512043 is a wasteful number, since it uses less digits than its factorization.

1200512043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533259 (or 1533253 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1200512043 is about 34648.4060672349. The cubic root of 1200512043 is about 1062.8096940456.

Adding to 1200512043 its reverse (3402150021), we get a palindrome (4602662064).

The spelling of 1200512043 in words is "one billion, two hundred million, five hundred twelve thousand, forty-three".