1155071 has 2 divisors, whose sum is σ = 1155072. Its totient is φ = 1155070.

The previous prime is 1155061. The next prime is 1155097. The reversal of 1155071 is 1705511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1155071 - 2¹⁰ = 1154047 is a prime.

It is a Chen prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1155001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577535 + 577536.

It is an arithmetic number, because the mean of its divisors is an integer number (577536).

2^1155071 is an apocalyptic number.

1155071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1155071 is an equidigital number, since it uses as much as digits as its factorization.

1155071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 175, while the sum is 20.

The square root of 1155071 is about 1074.7422946921. The cubic root of 1155071 is about 104.9227246999.

The spelling of 1155071 in words is "one million, one hundred fifty-five thousand, seventy-one".