1115117 has 2 divisors, whose sum is σ = 1115118. Its totient is φ = 1115116.

The previous prime is 1115113. The next prime is 1115131. The reversal of 1115117 is 7115111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 808201 + 306916 = 899^2 + 554^2 .

It is an emirp because it is prime and its reverse (7115111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1115117 - 2² = 1115113 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1115095 and 1115104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1115113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557558 + 557559.

It is an arithmetic number, because the mean of its divisors is an integer number (557559).

2^1115117 is an apocalyptic number.

It is an amenable number.

1115117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115117 is an equidigital number, since it uses as much as digits as its factorization.

1115117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35, while the sum is 17.

The square root of 1115117 is about 1055.9910037496. The cubic root of 1115117 is about 103.6987398591.

The spelling of 1115117 in words is "one million, one hundred fifteen thousand, one hundred seventeen".