1140911 has 2 divisors, whose sum is σ = 1140912. Its totient is φ = 1140910.

The previous prime is 1140901. The next prime is 1140913. The reversal of 1140911 is 1190411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1140911 - 2⁶ = 1140847 is a prime.

It is a Sophie Germain prime.

Together with 1140913, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1140911.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1140913) 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, 570455 + 570456.

It is an arithmetic number, because the mean of its divisors is an integer number (570456).

2^1140911 is an apocalyptic number.

1140911 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140911 is an equidigital number, since it uses as much as digits as its factorization.

1140911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 17.

The square root of 1140911 is about 1068.1343548449. The cubic root of 1140911 is about 104.4922118995.

The spelling of 1140911 in words is "one million, one hundred forty thousand, nine hundred eleven".