1320125115 has 8 divisors (see below), whose sum is σ = 2112200208. Its totient is φ = 704066720.

The previous prime is 1320125071. The next prime is 1320125119. The reversal of 1320125115 is 5115210231.

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

It is not a de Polignac number, because 1320125115 - 2¹¹ = 1320123067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1320125091 and 1320125100.

It is not an unprimeable number, because it can be changed into a prime (1320125119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44004156 + ... + 44004185.

It is an arithmetic number, because the mean of its divisors is an integer number (264025026).

Almost surely, 2^1320125115 is an apocalyptic number.

1320125115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1320125115 is a deficient number, since it is larger than the sum of its proper divisors (792075093).

1320125115 is an equidigital number, since it uses as much as digits as its factorization.

1320125115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88008349.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 1320125115 is about 36333.5260468895. The cubic root of 1320125115 is about 1096.9959675518.

Adding to 1320125115 its reverse (5115210231), we get a palindrome (6435335346).

The spelling of 1320125115 in words is "one billion, three hundred twenty million, one hundred twenty-five thousand, one hundred fifteen".