1026420543205 has 8 divisors (see below), whose sum is σ = 1233608372352. Its totient is φ = 819867287568.

The previous prime is 1026420543143. The next prime is 1026420543229. The reversal of 1026420543205 is 5023450246201.

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

It is a cyclic number.

It is not a de Polignac number, because 1026420543205 - 2²⁹ = 1025883672293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158639817 + ... + 158646286.

It is an arithmetic number, because the mean of its divisors is an integer number (154201046544).

Almost surely, 2^{1026420543205} is an apocalyptic number.

It is an amenable number.

1026420543205 is a deficient number, since it is larger than the sum of its proper divisors (207187829147).

1026420543205 is an equidigital number, since it uses as much as digits as its factorization.

1026420543205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317286755.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 1026420543205 its reverse (5023450246201), we get a palindrome (6049870789406).

The spelling of 1026420543205 in words is "one trillion, twenty-six billion, four hundred twenty million, five hundred forty-three thousand, two hundred five".