1301332111 has 4 divisors (see below), whose sum is σ = 1357911792. Its totient is φ = 1244752432.

The previous prime is 1301332079. The next prime is 1301332121. The reversal of 1301332111 is 1112331031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1301332111 - 2⁵ = 1301332079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301332121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28289806 + ... + 28289851.

It is an arithmetic number, because the mean of its divisors is an integer number (339477948).

Almost surely, 2^1301332111 is an apocalyptic number.

1301332111 is a deficient number, since it is larger than the sum of its proper divisors (56579681).

1301332111 is an equidigital number, since it uses as much as digits as its factorization.

1301332111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56579680.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1301332111 is about 36073.9810805517. The cubic root of 1301332111 is about 1091.7655395119.

Adding to 1301332111 its reverse (1112331031), we get a palindrome (2413663142).

The spelling of 1301332111 in words is "one billion, three hundred one million, three hundred thirty-two thousand, one hundred eleven".