1042122110543 has 4 divisors (see below), whose sum is σ = 1061784791928. Its totient is φ = 1022459429160.

The previous prime is 1042122110507. The next prime is 1042122110567. The reversal of 1042122110543 is 3450112212401.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1042122110543 - 2¹² = 1042122106447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042122110593) 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, 9831340613 + ... + 9831340718.

It is an arithmetic number, because the mean of its divisors is an integer number (265446197982).

Almost surely, 2^{1042122110543} is an apocalyptic number.

1042122110543 is a deficient number, since it is larger than the sum of its proper divisors (19662681385).

1042122110543 is an equidigital number, since it uses as much as digits as its factorization.

1042122110543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19662681384.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 1042122110543 its reverse (3450112212401), we get a palindrome (4492234322944).

The spelling of 1042122110543 in words is "one trillion, forty-two billion, one hundred twenty-two million, one hundred ten thousand, five hundred forty-three".