1326642105 has 8 divisors (see below), whose sum is σ = 2122627392. Its totient is φ = 707542448.

The previous prime is 1326642089. The next prime is 1326642133. The reversal of 1326642105 is 5012466231.

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 1326642105 - 2⁴ = 1326642089 is a prime.

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, 44221389 + ... + 44221418.

It is an arithmetic number, because the mean of its divisors is an integer number (265328424).

Almost surely, 2^1326642105 is an apocalyptic number.

1326642105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1326642105 is a deficient number, since it is larger than the sum of its proper divisors (795985287).

1326642105 is an equidigital number, since it uses as much as digits as its factorization.

1326642105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88442815.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1326642105 is about 36423.0985090505. The cubic root of 1326642105 is about 1098.7981653428.

The spelling of 1326642105 in words is "one billion, three hundred twenty-six million, six hundred forty-two thousand, one hundred five".