1326004101 has 12 divisors (see below), whose sum is σ = 1986278112. Its totient is φ = 884002572.

The previous prime is 1326004081. The next prime is 1326004109. The reversal of 1326004101 is 1014006231.

It is a happy number.

It is not a de Polignac number, because 1326004101 - 2¹¹ = 1326002053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1326004109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2728161 + ... + 2728646.

It is an arithmetic number, because the mean of its divisors is an integer number (165523176).

Almost surely, 2^1326004101 is an apocalyptic number.

It is an amenable number.

1326004101 is a deficient number, since it is larger than the sum of its proper divisors (660274011).

1326004101 is an frugal number, since it uses more digits than its factorization.

1326004101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5456822 (or 5456810 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1326004101 is about 36414.3392223448. The cubic root of 1326004101 is about 1098.6219937307.

The spelling of 1326004101 in words is "one billion, three hundred twenty-six million, four thousand, one hundred one".