1223419 has 2 divisors, whose sum is σ = 1223420. Its totient is φ = 1223418.

The previous prime is 1223381. The next prime is 1223437. The reversal of 1223419 is 9143221.

It is a strong prime.

It is an emirp because it is prime and its reverse (9143221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1223419 is a prime.

It is a super-2 number, since 2×1223419² = 2993508099122, which contains 22 as substring.

It is a Chen prime.

1223419 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1223419.

It is not a weakly prime, because it can be changed into another prime (1223449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611709 + 611710.

It is an arithmetic number, because the mean of its divisors is an integer number (611710).

2^1223419 is an apocalyptic number.

1223419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223419 is an equidigital number, since it uses as much as digits as its factorization.

1223419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 22.

The square root of 1223419 is about 1106.0827274666. The cubic root of 1223419 is about 106.9526969413.

The spelling of 1223419 in words is "one million, two hundred twenty-three thousand, four hundred nineteen".