1326028143 has 16 divisors (see below), whose sum is σ = 1930720896. Its totient is φ = 802839840.

The previous prime is 1326028141. The next prime is 1326028153. The reversal of 1326028143 is 3418206231.

It is not a de Polignac number, because 1326028143 - 2¹ = 1326028141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1326028143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1326028141) 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 15 ways as a sum of consecutive naturals, for example, 13596 + ... + 53262.

It is an arithmetic number, because the mean of its divisors is an integer number (120670056).

Almost surely, 2^1326028143 is an apocalyptic number.

1326028143 is a deficient number, since it is larger than the sum of its proper divisors (604692753).

1326028143 is a wasteful number, since it uses less digits than its factorization.

1326028143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40694.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 1326028143 is about 36414.6693380566. The cubic root of 1326028143 is about 1098.6286334564.

The spelling of 1326028143 in words is "one billion, three hundred twenty-six million, twenty-eight thousand, one hundred forty-three".