1042342422502 has 4 divisors (see below), whose sum is σ = 1563513633756. Its totient is φ = 521171211250.

The previous prime is 1042342422461. The next prime is 1042342422509. The reversal of 1042342422502 is 2052242432401.

It is a happy number.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042342422509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260585605624 + ... + 260585605627.

It is an arithmetic number, because the mean of its divisors is an integer number (390878408439).

Almost surely, 2^{1042342422502} is an apocalyptic number.

1042342422502 is a deficient number, since it is larger than the sum of its proper divisors (521171211254).

1042342422502 is an equidigital number, since it uses as much as digits as its factorization.

1042342422502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521171211253.

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 1042342422502 its reverse (2052242432401), we get a palindrome (3094584854903).

The spelling of 1042342422502 in words is "one trillion, forty-two billion, three hundred forty-two million, four hundred twenty-two thousand, five hundred two".