1428419 has 2 divisors, whose sum is σ = 1428420. Its totient is φ = 1428418.

The previous prime is 1428409. The next prime is 1428431. The reversal of 1428419 is 9148241.

It is a weak prime.

It is an emirp because it is prime and its reverse (9148241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1428419 - 2¹² = 1424323 is a prime.

It is a super-2 number, since 2×1428419² = 4080761679122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1428391 and 1428400.

It is not a weakly prime, because it can be changed into another prime (1428409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714209 + 714210.

It is an arithmetic number, because the mean of its divisors is an integer number (714210).

2^1428419 is an apocalyptic number.

1428419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1428419 is an equidigital number, since it uses as much as digits as its factorization.

1428419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 29.

The square root of 1428419 is about 1195.1648421871. The cubic root of 1428419 is about 112.6207822136.

The spelling of 1428419 in words is "one million, four hundred twenty-eight thousand, four hundred nineteen".