1135919 has 2 divisors, whose sum is σ = 1135920. Its totient is φ = 1135918.

The previous prime is 1135913. The next prime is 1135921. The reversal of 1135919 is 9195311.

It is a strong prime.

It is an emirp because it is prime and its reverse (9195311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1135919 - 2⁴ = 1135903 is a prime.

It is a super-2 number, since 2×1135919² = 2580623949122, which contains 22 as substring.

Together with 1135921, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1135891 and 1135900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1135913) 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, 567959 + 567960.

It is an arithmetic number, because the mean of its divisors is an integer number (567960).

2^1135919 is an apocalyptic number.

1135919 is a deficient number, since it is larger than the sum of its proper divisors (1).

1135919 is an equidigital number, since it uses as much as digits as its factorization.

1135919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1215, while the sum is 29.

The square root of 1135919 is about 1065.7950084327. The cubic root of 1135919 is about 104.3395889054.

The spelling of 1135919 in words is "one million, one hundred thirty-five thousand, nine hundred nineteen".