141020321 has 16 divisors (see below), whose sum is σ = 162062208. Its totient is φ = 121555200.

The previous prime is 141020309. The next prime is 141020339. The reversal of 141020321 is 123020141.

It is not a de Polignac number, because 141020321 - 2¹⁰ = 141019297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 141020296 and 141020305.

It is not an unprimeable number, because it can be changed into a prime (141020371) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 26516 + ... + 31386.

It is an arithmetic number, because the mean of its divisors is an integer number (10128888).

Almost surely, 2^141020321 is an apocalyptic number.

It is an amenable number.

141020321 is a deficient number, since it is larger than the sum of its proper divisors (21041887).

141020321 is a wasteful number, since it uses less digits than its factorization.

141020321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5032.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 141020321 is about 11875.1977246697. The cubic root of 141020321 is about 520.5077892298.

Adding to 141020321 its reverse (123020141), we get a palindrome (264040462).

The spelling of 141020321 in words is "one hundred forty-one million, twenty thousand, three hundred twenty-one".