130720111 has 4 divisors (see below), whose sum is σ = 130743000. Its totient is φ = 130697224.

The previous prime is 130720097. The next prime is 130720153. The reversal of 130720111 is 111027031.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 130720111 - 2⁷ = 130719983 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 (130720181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4980 + ... + 16918.

It is an arithmetic number, because the mean of its divisors is an integer number (32685750).

Almost surely, 2^130720111 is an apocalyptic number.

130720111 is a deficient number, since it is larger than the sum of its proper divisors (22889).

130720111 is a wasteful number, since it uses less digits than its factorization.

130720111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22888.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 130720111 is about 11433.2895966122. The cubic root of 130720111 is about 507.5133483511.

Adding to 130720111 its reverse (111027031), we get a palindrome (241747142).

The spelling of 130720111 in words is "one hundred thirty million, seven hundred twenty thousand, one hundred eleven".