1021342 has 8 divisors (see below), whose sum is σ = 1750896. Its totient is φ = 437712.

The previous prime is 1021333. The next prime is 1021367. The reversal of 1021342 is 2431201.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 36463 + ... + 36490.

It is an arithmetic number, because the mean of its divisors is an integer number (218862).

2^1021342 is an apocalyptic number.

1021342 is a deficient number, since it is larger than the sum of its proper divisors (729554).

1021342 is an equidigital number, since it uses as much as digits as its factorization.

1021342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72962.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1021342 is about 1010.6146644493. The cubic root of 1021342 is about 100.7063982652.

Adding to 1021342 its reverse (2431201), we get a palindrome (3452543).

It can be divided in two parts, 102 and 1342, that added together give a square (1444 = 38²).

The spelling of 1021342 in words is "one million, twenty-one thousand, three hundred forty-two".