1115417 has 2 divisors, whose sum is σ = 1115418. Its totient is φ = 1115416.

The previous prime is 1115407. The next prime is 1115419. The reversal of 1115417 is 7145111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1104601 + 10816 = 1051^2 + 104^2 .

It is a cyclic number.

It is not a de Polignac number, because 1115417 - 2²⁰ = 66841 is a prime.

Together with 1115419, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1115419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557708 + 557709.

It is an arithmetic number, because the mean of its divisors is an integer number (557709).

2^1115417 is an apocalyptic number.

It is an amenable number.

1115417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115417 is an equidigital number, since it uses as much as digits as its factorization.

1115417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 140, while the sum is 20.

The square root of 1115417 is about 1056.1330408618. The cubic root of 1115417 is about 103.7080383849.

The spelling of 1115417 in words is "one million, one hundred fifteen thousand, four hundred seventeen".