1326001055 has 8 divisors (see below), whose sum is σ = 1594367712. Its totient is φ = 1058689888.

The previous prime is 1326001021. The next prime is 1326001057. The reversal of 1326001055 is 5501006231.

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 1326001055 - 2²⁶ = 1258892191 is a prime.

It is a super-2 number, since 2×1326001055² = 3516557595722226050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1326001055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1326001057) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 261104 + ... + 266133.

It is an arithmetic number, because the mean of its divisors is an integer number (199295964).

Almost surely, 2^1326001055 is an apocalyptic number.

1326001055 is a deficient number, since it is larger than the sum of its proper divisors (268366657).

1326001055 is an equidigital number, since it uses as much as digits as its factorization.

1326001055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527745.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1326001055 is about 36414.2973981375. The cubic root of 1326001055 is about 1098.6211525053.

Adding to 1326001055 its reverse (5501006231), we get a palindrome (6827007286).

The spelling of 1326001055 in words is "one billion, three hundred twenty-six million, one thousand, fifty-five".