1155097 has 2 divisors, whose sum is σ = 1155098. Its totient is φ = 1155096.

The previous prime is 1155071. The next prime is 1155101. The reversal of 1155097 is 7905511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 687241 + 467856 = 829^2 + 684^2 .

It is a cyclic number.

It is not a de Polignac number, because 1155097 - 2⁷ = 1154969 is a prime.

It is not a weakly prime, because it can be changed into another prime (1155017) 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, 577548 + 577549.

It is an arithmetic number, because the mean of its divisors is an integer number (577549).

2^1155097 is an apocalyptic number.

It is an amenable number.

1155097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1155097 is an equidigital number, since it uses as much as digits as its factorization.

1155097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1575, while the sum is 28.

The square root of 1155097 is about 1074.7543905470. The cubic root of 1155097 is about 104.9235119445.

The spelling of 1155097 in words is "one million, one hundred fifty-five thousand, ninety-seven".