1066619 has 2 divisors, whose sum is σ = 1066620. Its totient is φ = 1066618.

The previous prime is 1066577. The next prime is 1066621. The reversal of 1066619 is 9166601.

It is a strong prime.

It is an emirp because it is prime and its reverse (9166601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1066619 - 2²⁰ = 18043 is a prime.

It is a super-2 number, since 2×1066619² = 2275352182322, which contains 22 as substring.

Together with 1066621, 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 = 1066591 and 1066600.

It is not a weakly prime, because it can be changed into another prime (1066669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533309 + 533310.

It is an arithmetic number, because the mean of its divisors is an integer number (533310).

2^1066619 is an apocalyptic number.

1066619 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066619 is an equidigital number, since it uses as much as digits as its factorization.

1066619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 1066619 is about 1032.7724822051. The cubic root of 1066619 is about 102.1730689875.

The spelling of 1066619 in words is "one million, sixty-six thousand, six hundred nineteen".