1042200243 has 32 divisors (see below), whose sum is σ = 1780224000. Its totient is φ = 590260608.

The previous prime is 1042200199. The next prime is 1042200277. The reversal of 1042200243 is 3420022401.

1042200243 is a `hidden beast` number, since 1 + 0 + 422 + 0 + 0 + 243 = 666.

It is not a de Polignac number, because 1042200243 - 2⁹ = 1042199731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1042200143) 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 31 ways as a sum of consecutive naturals, for example, 3043 + ... + 45756.

It is an arithmetic number, because the mean of its divisors is an integer number (55632000).

Almost surely, 2^1042200243 is an apocalyptic number.

1042200243 is a deficient number, since it is larger than the sum of its proper divisors (738023757).

1042200243 is a wasteful number, since it uses less digits than its factorization.

1042200243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48928 (or 48922 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1042200243 is about 32283.1262891313. The cubic root of 1042200243 is about 1013.8733867330.

Adding to 1042200243 its reverse (3420022401), we get a palindrome (4462222644).

The spelling of 1042200243 in words is "one billion, forty-two million, two hundred thousand, two hundred forty-three".