142041321 has 24 divisors (see below), whose sum is σ = 217439040. Its totient is φ = 89100000.

The previous prime is 142041281. The next prime is 142041329. The reversal of 142041321 is 123140241.

142041321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142041321 - 2⁶ = 142041257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142041294 and 142041303.

It is not an unprimeable number, because it can be changed into a prime (142041329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23071 + ... + 28571.

It is an arithmetic number, because the mean of its divisors is an integer number (9059960).

Almost surely, 2^142041321 is an apocalyptic number.

It is an amenable number.

142041321 is a deficient number, since it is larger than the sum of its proper divisors (75397719).

142041321 is a wasteful number, since it uses less digits than its factorization.

142041321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5677 (or 5674 counting only the distinct ones).

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

The square root of 142041321 is about 11918.1089523464. The cubic root of 142041321 is about 521.7609443986.

Adding to 142041321 its reverse (123140241), we get a palindrome (265181562).

The spelling of 142041321 in words is "one hundred forty-two million, forty-one thousand, three hundred twenty-one".