542420425121 has 4 divisors (see below), whose sum is σ = 542424160512. Its totient is φ = 542416689732.

The previous prime is 542420425117. The next prime is 542420425171. The reversal of 542420425121 is 121524024245.

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.

It is a cyclic number.

It is not a de Polignac number, because 542420425121 - 2² = 542420425117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542420425171) 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, 1640681 + ... + 1943366.

It is an arithmetic number, because the mean of its divisors is an integer number (135606040128).

Almost surely, 2^542420425121 is an apocalyptic number.

It is an amenable number.

542420425121 is a deficient number, since it is larger than the sum of its proper divisors (3735391).

542420425121 is a wasteful number, since it uses less digits than its factorization.

542420425121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3735390.

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 542420425121 its reverse (121524024245), we get a palindrome (663944449366).

The spelling of 542420425121 in words is "five hundred forty-two billion, four hundred twenty million, four hundred twenty-five thousand, one hundred twenty-one".