1155697 has 2 divisors, whose sum is σ = 1155698. Its totient is φ = 1155696.

The previous prime is 1155689. The next prime is 1155701. The reversal of 1155697 is 7965511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1079521 + 76176 = 1039^2 + 276^2 .

It is a cyclic number.

It is not a de Polignac number, because 1155697 - 2³ = 1155689 is a prime.

1155697 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1155607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577848 + 577849.

It is an arithmetic number, because the mean of its divisors is an integer number (577849).

2^1155697 is an apocalyptic number.

It is an amenable number.

1155697 is a deficient number, since it is larger than the sum of its proper divisors (1).

1155697 is an equidigital number, since it uses as much as digits as its factorization.

1155697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9450, while the sum is 34.

The square root of 1155697 is about 1075.0334878505. The cubic root of 1155697 is about 104.9416758476.

The spelling of 1155697 in words is "one million, one hundred fifty-five thousand, six hundred ninety-seven".