1301232100 has 144 divisors (see below), whose sum is σ = 3419781120. Its totient is φ = 419817600.

The previous prime is 1301232091. The next prime is 1301232131. The reversal of 1301232100 is 12321031.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 3018885 + ... + 3019315.

It is an arithmetic number, because the mean of its divisors is an integer number (23748480).

Almost surely, 2^1301232100 is an apocalyptic number.

1301232100 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 1301232100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1709890560).

1301232100 is an abundant number, since it is smaller than the sum of its proper divisors (2118549020).

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

1301232100 is a wasteful number, since it uses less digits than its factorization.

1301232100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698 (or 691 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1301232100 is about 36072.5948609190. The cubic root of 1301232100 is about 1091.7375703871.

Adding to 1301232100 its reverse (12321031), we get a palindrome (1313553131).

The spelling of 1301232100 in words is "one billion, three hundred one million, two hundred thirty-two thousand, one hundred".