1042542422 has 4 divisors (see below), whose sum is σ = 1563813636. Its totient is φ = 521271210.

The previous prime is 1042542401. The next prime is 1042542427. The reversal of 1042542422 is 2242452401.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1042542391 and 1042542400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042542427) 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 as a sum of consecutive naturals, namely, 260635604 + ... + 260635607.

It is an arithmetic number, because the mean of its divisors is an integer number (390953409).

Almost surely, 2^1042542422 is an apocalyptic number.

1042542422 is a deficient number, since it is larger than the sum of its proper divisors (521271214).

1042542422 is an equidigital number, since it uses as much as digits as its factorization.

1042542422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521271213.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 1042542422 is about 32288.4255113191. The cubic root of 1042542422 is about 1013.9843341326.

Adding to 1042542422 its reverse (2242452401), we get a palindrome (3284994823).

The spelling of 1042542422 in words is "one billion, forty-two million, five hundred forty-two thousand, four hundred twenty-two".