1042443201 has 4 divisors (see below), whose sum is σ = 1389924272. Its totient is φ = 694962132.

The previous prime is 1042443161. The next prime is 1042443203. The reversal of 1042443201 is 1023442401.

1042443201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1042443201 - 2¹⁴ = 1042426817 is a prime.

It is a super-2 number, since 2×1042443201² = 2173375654622252802, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1042443203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173740531 + ... + 173740536.

It is an arithmetic number, because the mean of its divisors is an integer number (347481068).

Almost surely, 2^1042443201 is an apocalyptic number.

It is an amenable number.

1042443201 is a deficient number, since it is larger than the sum of its proper divisors (347481071).

1042443201 is an equidigital number, since it uses as much as digits as its factorization.

1042443201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347481070.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1042443201 is about 32286.8889953802. Note that the first 3 decimals coincide. The cubic root of 1042443201 is about 1013.9521654236.

Adding to 1042443201 its reverse (1023442401), we get a palindrome (2065885602).

The spelling of 1042443201 in words is "one billion, forty-two million, four hundred forty-three thousand, two hundred one".