1042444201 has 4 divisors (see below), whose sum is σ = 1042707600. Its totient is φ = 1042180804.

The previous prime is 1042444153. The next prime is 1042444211. The reversal of 1042444201 is 1024442401.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1024442401 = 131 ⋅7820171.

It is a cyclic number.

It is not a de Polignac number, because 1042444201 - 2¹³ = 1042436009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042444211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125671 + ... + 133708.

It is an arithmetic number, because the mean of its divisors is an integer number (260676900).

Almost surely, 2^1042444201 is an apocalyptic number.

It is an amenable number.

1042444201 is a deficient number, since it is larger than the sum of its proper divisors (263399).

1042444201 is an equidigital number, since it uses as much as digits as its factorization.

1042444201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263398.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 1042444201 is about 32286.9044815386. The cubic root of 1042444201 is about 1013.9524896465.

Adding to 1042444201 its reverse (1024442401), we get a palindrome (2066886602).

The spelling of 1042444201 in words is "one billion, forty-two million, four hundred forty-four thousand, two hundred one".