1320115115 has 8 divisors (see below), whose sum is σ = 1728150768. Its totient is φ = 960083680.

The previous prime is 1320115063. The next prime is 1320115123. The reversal of 1320115115 is 5115110231.

It is a happy number.

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

It is not a de Polignac number, because 1320115115 - 2²² = 1315920811 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12000992 + ... + 12001101.

It is an arithmetic number, because the mean of its divisors is an integer number (216018846).

Almost surely, 2^1320115115 is an apocalyptic number.

1320115115 is a deficient number, since it is larger than the sum of its proper divisors (408035653).

1320115115 is a wasteful number, since it uses less digits than its factorization.

1320115115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24002109.

The product of its (nonzero) digits is 150, while the sum is 20.

The square root of 1320115115 is about 36333.3884326799. The cubic root of 1320115115 is about 1096.9931976155.

Adding to 1320115115 its reverse (5115110231), we get a palindrome (6435225346).

The spelling of 1320115115 in words is "one billion, three hundred twenty million, one hundred fifteen thousand, one hundred fifteen".