321420141 has 48 divisors (see below), whose sum is σ = 552414720. Its totient is φ = 176268960.

The previous prime is 321420119. The next prime is 321420149. The reversal of 321420141 is 141024123.

It is not a de Polignac number, because 321420141 - 2¹⁸ = 321157997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321420149) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 158826 + ... + 160836.

It is an arithmetic number, because the mean of its divisors is an integer number (11508640).

Almost surely, 2^321420141 is an apocalyptic number.

It is an amenable number.

321420141 is a deficient number, since it is larger than the sum of its proper divisors (230994579).

321420141 is a wasteful number, since it uses less digits than its factorization.

321420141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2126 (or 2123 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 321420141 is about 17928.1940250545. The cubic root of 321420141 is about 685.0007217567. Note that the first 3 decimals are identical.

Adding to 321420141 its reverse (141024123), we get a palindrome (462444264).

The spelling of 321420141 in words is "three hundred twenty-one million, four hundred twenty thousand, one hundred forty-one".