1342221 has 8 divisors (see below), whose sum is σ = 1795104. Its totient is φ = 892080.

The previous prime is 1342219. The next prime is 1342223. The reversal of 1342221 is 1222431.

It is an interprime number because it is at equal distance from previous prime (1342219) and next prime (1342223).

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

It is not a de Polignac number, because 1342221 - 2¹ = 1342219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1342221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342223) 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 7 ways as a sum of consecutive naturals, for example, 1210 + ... + 2036.

It is an arithmetic number, because the mean of its divisors is an integer number (224388).

2^1342221 is an apocalyptic number.

It is an amenable number.

1342221 is a deficient number, since it is larger than the sum of its proper divisors (452883).

1342221 is an equidigital number, since it uses as much as digits as its factorization.

1342221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371.

The product of its digits is 96, while the sum is 15.

The square root of 1342221 is about 1158.5426189830. The cubic root of 1342221 is about 110.3082538284.

Adding to 1342221 its reverse (1222431), we get a palindrome (2564652).

The spelling of 1342221 in words is "one million, three hundred forty-two thousand, two hundred twenty-one".