1321001342 has 8 divisors (see below), whose sum is σ = 1981719432. Its totient is φ = 660428200.

The previous prime is 1321001333. The next prime is 1321001393. The reversal of 1321001342 is 2431001231.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1321001342.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9509 + ... + 52272.

It is an arithmetic number, because the mean of its divisors is an integer number (247714929).

Almost surely, 2^1321001342 is an apocalyptic number.

1321001342 is a deficient number, since it is larger than the sum of its proper divisors (660718090).

1321001342 is a wasteful number, since it uses less digits than its factorization.

1321001342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72474.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1321001342 is about 36345.5821524432. The cubic root of 1321001342 is about 1097.2386225560.

Adding to 1321001342 its reverse (2431001231), we get a palindrome (3752002573).

The spelling of 1321001342 in words is "one billion, three hundred twenty-one million, one thousand, three hundred forty-two".