1324401100 has 72 divisors (see below), whose sum is σ = 3194514288. Its totient is φ = 472492800.

The previous prime is 1324401077. The next prime is 1324401103. The reversal of 1324401100 is 11044231.

It is not an unprimeable number, because it can be changed into a prime (1324401103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46942 + ... + 69658.

It is an arithmetic number, because the mean of its divisors is an integer number (44368254).

Almost surely, 2^1324401100 is an apocalyptic number.

1324401100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1324401100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1597257144).

1324401100 is an abundant number, since it is smaller than the sum of its proper divisors (1870113188).

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

1324401100 is a wasteful number, since it uses less digits than its factorization.

1324401100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22795 (or 22788 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1324401100 is about 36392.3219924203. The cubic root of 1324401100 is about 1098.1791086523.

Adding to 1324401100 its reverse (11044231), we get a palindrome (1335445331).

The spelling of 1324401100 in words is "one billion, three hundred twenty-four million, four hundred one thousand, one hundred".