1157011 has 2 divisors, whose sum is σ = 1157012. Its totient is φ = 1157010.

The previous prime is 1156997. The next prime is 1157017. The reversal of 1157011 is 1107511.

It is a strong prime.

It is an emirp because it is prime and its reverse (1107511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1157011 - 2¹⁷ = 1025939 is a prime.

It is not a weakly prime, because it can be changed into another prime (1157017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578505 + 578506.

It is an arithmetic number, because the mean of its divisors is an integer number (578506).

2^1157011 is an apocalyptic number.

1157011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1157011 is an equidigital number, since it uses as much as digits as its factorization.

1157011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35, while the sum is 16.

The square root of 1157011 is about 1075.6444579879. The cubic root of 1157011 is about 104.9814328470.

The spelling of 1157011 in words is "one million, one hundred fifty-seven thousand, eleven".