1421935 has 4 divisors (see below), whose sum is σ = 1706328. Its totient is φ = 1137544.

The previous prime is 1421933. The next prime is 1421963. The reversal of 1421935 is 5391241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1421935 - 2¹ = 1421933 is a prime.

It is a Duffinian number.

1421935 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421933) 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 in 3 ways as a sum of consecutive naturals, for example, 142189 + ... + 142198.

It is an arithmetic number, because the mean of its divisors is an integer number (426582).

2^1421935 is an apocalyptic number.

1421935 is a deficient number, since it is larger than the sum of its proper divisors (284393).

1421935 is an equidigital number, since it uses as much as digits as its factorization.

1421935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284392.

The product of its digits is 1080, while the sum is 25.

The square root of 1421935 is about 1192.4491603419. The cubic root of 1421935 is about 112.4501178033.

The spelling of 1421935 in words is "one million, four hundred twenty-one thousand, nine hundred thirty-five".