1296117 has 6 divisors (see below), whose sum is σ = 1872182. Its totient is φ = 864072.

The previous prime is 1296109. The next prime is 1296137. The reversal of 1296117 is 7116921.

It can be written as a sum of positive squares in only one way, i.e., 998001 + 298116 = 999^2 + 546^2 .

It is not a de Polignac number, because 1296117 - 2³ = 1296109 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 (1296137) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 71998 + ... + 72015.

2^1296117 is an apocalyptic number.

It is an amenable number.

1296117 is a deficient number, since it is larger than the sum of its proper divisors (576065).

1296117 is a wasteful number, since it uses less digits than its factorization.

1296117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144019 (or 144016 counting only the distinct ones).

The product of its digits is 756, while the sum is 27.

The square root of 1296117 is about 1138.4713435129. The cubic root of 1296117 is about 109.0305163834.

The spelling of 1296117 in words is "one million, two hundred ninety-six thousand, one hundred seventeen".