1421011 has 2 divisors, whose sum is σ = 1421012. Its totient is φ = 1421010.

The previous prime is 1420999. The next prime is 1421027. The reversal of 1421011 is 1101241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1421011 - 2⁷ = 1420883 is a prime.

It is not a weakly prime, because it can be changed into another prime (1421041) 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, 710505 + 710506.

It is an arithmetic number, because the mean of its divisors is an integer number (710506).

2^1421011 is an apocalyptic number.

1421011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421011 is an equidigital number, since it uses as much as digits as its factorization.

1421011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1421011 is about 1192.0616594791. The cubic root of 1421011 is about 112.4257551278.

Adding to 1421011 its reverse (1101241), we get a palindrome (2522252).

It can be divided in two parts, 14 and 21011, that added together give a square (21025 = 145²).

The spelling of 1421011 in words is "one million, four hundred twenty-one thousand, eleven".