1072200843 has 24 divisors (see below), whose sum is σ = 1799004896. Its totient is φ = 602640000.

The previous prime is 1072200827. The next prime is 1072200887. The reversal of 1072200843 is 3480022701.

It is not a de Polignac number, because 1072200843 - 2⁴ = 1072200827 is a prime.

It is a super-2 number, since 2×1072200843² = 2299229295459821298, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1072200893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135658 + ... + 143343.

Almost surely, 2^1072200843 is an apocalyptic number.

1072200843 is a deficient number, since it is larger than the sum of its proper divisors (726804053).

1072200843 is a wasteful number, since it uses less digits than its factorization.

1072200843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279075 (or 279072 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 1072200843 is about 32744.4780535589. The cubic root of 1072200843 is about 1023.5099008026.

The spelling of 1072200843 in words is "one billion, seventy-two million, two hundred thousand, eight hundred forty-three".