1026667055 has 4 divisors (see below), whose sum is σ = 1232000472. Its totient is φ = 821333640.

The previous prime is 1026667039. The next prime is 1026667079. The reversal of 1026667055 is 5507666201.

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

It is not a de Polignac number, because 1026667055 - 2⁴ = 1026667039 is a prime.

It is a super-4 number, since 4×1026667055⁴ (a number of 37 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102666701 + ... + 102666710.

It is an arithmetic number, because the mean of its divisors is an integer number (308000118).

Almost surely, 2^1026667055 is an apocalyptic number.

1026667055 is a deficient number, since it is larger than the sum of its proper divisors (205333417).

1026667055 is an equidigital number, since it uses as much as digits as its factorization.

1026667055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205333416.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 1026667055 is about 32041.6456350169. The cubic root of 1026667055 is about 1008.8111538785.

The spelling of 1026667055 in words is "one billion, twenty-six million, six hundred sixty-seven thousand, fifty-five".