1326042001 has 8 divisors (see below), whose sum is σ = 1370242304. Its totient is φ = 1282281840.

The previous prime is 1326041987. The next prime is 1326042013. The reversal of 1326042001 is 1002406231.

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 1326042001 - 2¹³ = 1326033809 is a prime.

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 1326042001.

It is not an unprimeable number, because it can be changed into a prime (1326042031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103905 + ... + 115966.

It is an arithmetic number, because the mean of its divisors is an integer number (171280288).

Almost surely, 2^1326042001 is an apocalyptic number.

It is an amenable number.

1326042001 is a deficient number, since it is larger than the sum of its proper divisors (44200303).

1326042001 is a wasteful number, since it uses less digits than its factorization.

1326042001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220071.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1326042001 is about 36414.8596180186. The cubic root of 1326042001 is about 1098.6324606106.

Adding to 1326042001 its reverse (1002406231), we get a palindrome (2328448232).

The spelling of 1326042001 in words is "one billion, three hundred twenty-six million, forty-two thousand, one".