1320342 has 8 divisors (see below), whose sum is σ = 2640696. Its totient is φ = 440112.

The previous prime is 1320337. The next prime is 1320343. The reversal of 1320342 is 2430231.

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

1320342 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320343) 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, 110023 + ... + 110034.

It is an arithmetic number, because the mean of its divisors is an integer number (330087).

2^1320342 is an apocalyptic number.

1320342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1320342 is a wasteful number, since it uses less digits than its factorization.

1320342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220062.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1320342 is about 1149.0613560642. The cubic root of 1320342 is about 109.7056039874.

Adding to 1320342 its reverse (2430231), we get a palindrome (3750573).

The spelling of 1320342 in words is "one million, three hundred twenty thousand, three hundred forty-two".