1155317 has 2 divisors, whose sum is σ = 1155318. Its totient is φ = 1155316.

The previous prime is 1155311. The next prime is 1155373. The reversal of 1155317 is 7135511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 988036 + 167281 = 994^2 + 409^2 .

It is an emirp because it is prime and its reverse (7135511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1155317 - 2⁸ = 1155061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1155292 and 1155301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1155311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577658 + 577659.

It is an arithmetic number, because the mean of its divisors is an integer number (577659).

2^1155317 is an apocalyptic number.

It is an amenable number.

1155317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1155317 is an equidigital number, since it uses as much as digits as its factorization.

1155317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 525, while the sum is 23.

The square root of 1155317 is about 1074.8567346396. The cubic root of 1155317 is about 104.9301727725.

The spelling of 1155317 in words is "one million, one hundred fifty-five thousand, three hundred seventeen".