1326531104 has 48 divisors (see below), whose sum is σ = 2688940800. Its totient is φ = 643716864.

The previous prime is 1326531091. The next prime is 1326531139. The reversal of 1326531104 is 4011356231.

It is a super-3 number, since 3×1326531104³ (a number of 28 digits) contains 333 as substring.

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, 565967 + ... + 568305.

It is an arithmetic number, because the mean of its divisors is an integer number (56019600).

Almost surely, 2^1326531104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1326531104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1344470400).

1326531104 is an abundant number, since it is smaller than the sum of its proper divisors (1362409696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1326531104 is a wasteful number, since it uses less digits than its factorization.

1326531104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2865 (or 2857 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1326531104 is about 36421.5747051113. The cubic root of 1326531104 is about 1098.7675187711.

Adding to 1326531104 its reverse (4011356231), we get a palindrome (5337887335).

The spelling of 1326531104 in words is "one billion, three hundred twenty-six million, five hundred thirty-one thousand, one hundred four".