1026420543206 has 4 divisors (see below), whose sum is σ = 1539630814812. Its totient is φ = 513210271602.

The previous prime is 1026420543143. The next prime is 1026420543229. The reversal of 1026420543206 is 6023450246201.

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

It is a super-2 number, since 2×1026420543206² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256605135800 + ... + 256605135803.

It is an arithmetic number, because the mean of its divisors is an integer number (384907703703).

Almost surely, 2^{1026420543206} is an apocalyptic number.

1026420543206 is a deficient number, since it is larger than the sum of its proper divisors (513210271606).

1026420543206 is an equidigital number, since it uses as much as digits as its factorization.

1026420543206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513210271605.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 1026420543206 its reverse (6023450246201), we get a palindrome (7049870789407).

The spelling of 1026420543206 in words is "one trillion, twenty-six billion, four hundred twenty million, five hundred forty-three thousand, two hundred six".