1042123443 has 8 divisors (see below), whose sum is σ = 1471233168. Its totient is φ = 653881344.

The previous prime is 1042123391. The next prime is 1042123483. The reversal of 1042123443 is 3443212401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1042123443 - 2²¹ = 1040026291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1042123483) 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 7 ways as a sum of consecutive naturals, for example, 10216846 + ... + 10216947.

It is an arithmetic number, because the mean of its divisors is an integer number (183904146).

Almost surely, 2^1042123443 is an apocalyptic number.

1042123443 is a deficient number, since it is larger than the sum of its proper divisors (429109725).

1042123443 is a wasteful number, since it uses less digits than its factorization.

1042123443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20433813.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1042123443 is about 32281.9367913389. The cubic root of 1042123443 is about 1013.8484819256.

Adding to 1042123443 its reverse (3443212401), we get a palindrome (4485335844).

The spelling of 1042123443 in words is "one billion, forty-two million, one hundred twenty-three thousand, four hundred forty-three".