1421027 has 2 divisors, whose sum is σ = 1421028. Its totient is φ = 1421026.

The previous prime is 1421011. The next prime is 1421039. The reversal of 1421027 is 7201241.

It is a strong prime.

It is an emirp because it is prime and its reverse (7201241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1421027 - 2⁴ = 1421011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1420996 and 1421014.

It is not a weakly prime, because it can be changed into another prime (1421227) 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, 710513 + 710514.

It is an arithmetic number, because the mean of its divisors is an integer number (710514).

2^1421027 is an apocalyptic number.

1421027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421027 is an equidigital number, since it uses as much as digits as its factorization.

1421027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 1421027 is about 1192.0683705224. The cubic root of 1421027 is about 112.4261770821.

Adding to 1421027 its reverse (7201241), we get a palindrome (8622268).

The spelling of 1421027 in words is "one million, four hundred twenty-one thousand, twenty-seven".