1211422 has 8 divisors (see below), whose sum is σ = 1823976. Its totient is φ = 603432.

The previous prime is 1211411. The next prime is 1211423. The reversal of 1211422 is 2241121.

It is a happy number.

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

It is a super-3 number, since 3×1211422³ = 5333442580920970344, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 373 + ... + 1600.

It is an arithmetic number, because the mean of its divisors is an integer number (227997).

2^1211422 is an apocalyptic number.

1211422 is a deficient number, since it is larger than the sum of its proper divisors (612554).

1211422 is a wasteful number, since it uses less digits than its factorization.

1211422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2282.

The product of its digits is 32, while the sum is 13.

The square root of 1211422 is about 1100.6461738452. The cubic root of 1211422 is about 106.6019507614.

Adding to 1211422 its reverse (2241121), we get a palindrome (3452543).

The spelling of 1211422 in words is "one million, two hundred eleven thousand, four hundred twenty-two".