1420211 has 8 divisors (see below), whose sum is σ = 1545264. Its totient is φ = 1297440.

The previous prime is 1420207. The next prime is 1420253. The reversal of 1420211 is 1120241.

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 1420211 - 2² = 1420207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1420192 and 1420201.

It is not an unprimeable number, because it can be changed into a prime (1420201) 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 7 ways as a sum of consecutive naturals, for example, 881 + ... + 1901.

It is an arithmetic number, because the mean of its divisors is an integer number (193158).

2^1420211 is an apocalyptic number.

1420211 is a deficient number, since it is larger than the sum of its proper divisors (125053).

1420211 is a wasteful number, since it uses less digits than its factorization.

1420211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1420211 is about 1191.7260591260. The cubic root of 1420211 is about 112.4046533705.

Adding to 1420211 its reverse (1120241), we get a palindrome (2540452).

The spelling of 1420211 in words is "one million, four hundred twenty thousand, two hundred eleven".