1121011 has 2 divisors, whose sum is σ = 1121012. Its totient is φ = 1121010.

The previous prime is 1120993. The next prime is 1121017. The reversal of 1121011 is 1101211.

It is a strong prime.

It is an emirp because it is prime and its reverse (1101211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1121011 - 2⁷ = 1120883 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1120985 and 1121003.

It is not a weakly prime, because it can be changed into another prime (1121017) 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, 560505 + 560506.

It is an arithmetic number, because the mean of its divisors is an integer number (560506).

2^1121011 is an apocalyptic number.

1121011 is the 474-th centered decagonal number.

1121011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121011 is an equidigital number, since it uses as much as digits as its factorization.

1121011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2, while the sum is 7.

The square root of 1121011 is about 1058.7780692855. The cubic root of 1121011 is about 103.8811203272.

Adding to 1121011 its reverse (1101211), we get a palindrome (2222222).

Multiplying 1121011 by its reverse (1101211), we get a palindrome (1234469644321).

The spelling of 1121011 in words is "one million, one hundred twenty-one thousand, eleven".