1200002043 has 16 divisors (see below), whose sum is σ = 1613606400. Its totient is φ = 793214016.

The previous prime is 1200002029. The next prime is 1200002053. The reversal of 1200002043 is 3402000021.

It is not a de Polignac number, because 1200002043 - 2¹⁴ = 1199985659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1200002053) 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, 573946 + ... + 576032.

It is an arithmetic number, because the mean of its divisors is an integer number (100850400).

Almost surely, 2^1200002043 is an apocalyptic number.

1200002043 is a deficient number, since it is larger than the sum of its proper divisors (413604357).

1200002043 is a wasteful number, since it uses less digits than its factorization.

1200002043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3626.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1200002043 is about 34641.0456395300. The cubic root of 1200002043 is about 1062.6591722410.

Adding to 1200002043 its reverse (3402000021), we get a palindrome (4602002064).

The spelling of 1200002043 in words is "one billion, two hundred million, two thousand, forty-three".