321042 has 8 divisors (see below), whose sum is σ = 642096. Its totient is φ = 107012.

The previous prime is 321037. The next prime is 321047. The reversal of 321042 is 240123.

It is an interprime number because it is at equal distance from previous prime (321037) and next prime (321047).

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

321042 is an admirable number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 321042.

It is not an unprimeable number, because it can be changed into a prime (321047) by changing a digit.

321042 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26748 + ... + 26759.

It is an arithmetic number, because the mean of its divisors is an integer number (80262).

2³²¹⁰⁴² is an apocalyptic number.

321042 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.

321042 is a wasteful number, since it uses less digits than its factorization.

321042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53512.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 321042 is about 566.6056829930. The cubic root of 321042 is about 68.4731988853.

Adding to 321042 its reverse (240123), we get a palindrome (561165).

The spelling of 321042 in words is "three hundred twenty-one thousand, forty-two", and thus it is an iban number.