130021115 has 8 divisors (see below), whose sum is σ = 178314720. Its totient is φ = 89157312.

The previous prime is 130021109. The next prime is 130021153. The reversal of 130021115 is 511120031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130021115 - 2⁶ = 130021051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130021115.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1857410 + ... + 1857479.

It is an arithmetic number, because the mean of its divisors is an integer number (22289340).

Almost surely, 2^130021115 is an apocalyptic number.

130021115 is a deficient number, since it is larger than the sum of its proper divisors (48293605).

130021115 is an equidigital number, since it uses as much as digits as its factorization.

130021115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3714901.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 130021115 is about 11402.6801673992. The cubic root of 130021115 is about 506.6071271699.

Adding to 130021115 its reverse (511120031), we get a palindrome (641141146).

The spelling of 130021115 in words is "one hundred thirty million, twenty-one thousand, one hundred fifteen".