1421211 has 8 divisors (see below), whose sum is σ = 2067264. Its totient is φ = 861320.

The previous prime is 1421191. The next prime is 1421213. The reversal of 1421211 is 1121241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1421211 - 2⁷ = 1421083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1421213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21501 + ... + 21566.

It is an arithmetic number, because the mean of its divisors is an integer number (258408).

2^1421211 is an apocalyptic number.

1421211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1421211 is a deficient number, since it is larger than the sum of its proper divisors (646053).

1421211 is a wasteful number, since it uses less digits than its factorization.

1421211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43081.

The product of its digits is 16, while the sum is 12.

The square root of 1421211 is about 1192.1455448057. The cubic root of 1421211 is about 112.4310293295.

Adding to 1421211 its reverse (1121241), we get a palindrome (2542452).

The spelling of 1421211 in words is "one million, four hundred twenty-one thousand, two hundred eleven".