1190911 has 2 divisors, whose sum is σ = 1190912. Its totient is φ = 1190910.

The previous prime is 1190899. The next prime is 1190923.

1190911 is nontrivially palindromic in base 10.

It is a balanced prime because it is at equal distance from previous prime (1190899) and next prime (1190923).

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1190911 is a prime.

It is a Chen prime.

1190911 is a lucky number.

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 (1190951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 595455 + 595456.

It is an arithmetic number, because the mean of its divisors is an integer number (595456).

2^1190911 is an apocalyptic number.

1190911 is a deficient number, since it is larger than the sum of its proper divisors (1).

1190911 is an equidigital number, since it uses as much as digits as its factorization.

1190911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81, while the sum is 22.

The square root of 1190911 is about 1091.2886877449. The cubic root of 1190911 is about 105.9968849209.

The spelling of 1190911 in words is "one million, one hundred ninety thousand, nine hundred eleven".