1158011 has 2 divisors, whose sum is σ = 1158012. Its totient is φ = 1158010.

The previous prime is 1158007. The next prime is 1158037. The reversal of 1158011 is 1108511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1158011 - 2² = 1158007 is a prime.

It is a super-2 number, since 2×1158011² = 2681978952242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1158071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 579005 + 579006.

It is an arithmetic number, because the mean of its divisors is an integer number (579006).

2^1158011 is an apocalyptic number.

1158011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1158011 is an equidigital number, since it uses as much as digits as its factorization.

1158011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 17.

The square root of 1158011 is about 1076.1091952028. The cubic root of 1158011 is about 105.0116691491.

The spelling of 1158011 in words is "one million, one hundred fifty-eight thousand, eleven".