1421411 has 4 divisors (see below), whose sum is σ = 1423800. Its totient is φ = 1419024.

The previous prime is 1421401. The next prime is 1421417. The reversal of 1421411 is 1141241.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1421411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1421417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500 + ... + 1758.

It is an arithmetic number, because the mean of its divisors is an integer number (355950).

2^1421411 is an apocalyptic number.

1421411 is a deficient number, since it is larger than the sum of its proper divisors (2389).

1421411 is a wasteful number, since it uses less digits than its factorization.

1421411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2388.

The product of its digits is 32, while the sum is 14.

The square root of 1421411 is about 1192.2294242301. The cubic root of 1421411 is about 112.4363030365.

Adding to 1421411 its reverse (1141241), we get a palindrome (2562652).

The spelling of 1421411 in words is "one million, four hundred twenty-one thousand, four hundred eleven".