1296115 has 16 divisors (see below), whose sum is σ = 1630368. Its totient is φ = 988416.

The previous prime is 1296109. The next prime is 1296137. The reversal of 1296115 is 5116921.

It is a cyclic number.

It is not a de Polignac number, because 1296115 - 2⁹ = 1295603 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1296115.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 17719 + ... + 17791.

It is an arithmetic number, because the mean of its divisors is an integer number (101898).

2^1296115 is an apocalyptic number.

1296115 is a deficient number, since it is larger than the sum of its proper divisors (334253).

1296115 is an equidigital number, since it uses as much as digits as its factorization.

1296115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198.

The product of its digits is 540, while the sum is 25.

The square root of 1296115 is about 1138.4704651417. The cubic root of 1296115 is about 109.0304603028.

The spelling of 1296115 in words is "one million, two hundred ninety-six thousand, one hundred fifteen".