141220321 has 16 divisors (see below), whose sum is σ = 157651200. Its totient is φ = 125424000.

The previous prime is 141220273. The next prime is 141220351. The reversal of 141220321 is 123022141.

141220321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 141220321 - 2²¹ = 139123169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 141220295 and 141220304.

It is not an unprimeable number, because it can be changed into a prime (141220351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86965 + ... + 88573.

It is an arithmetic number, because the mean of its divisors is an integer number (9853200).

Almost surely, 2^141220321 is an apocalyptic number.

141220321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

141220321 is a deficient number, since it is larger than the sum of its proper divisors (16430879).

141220321 is a wasteful number, since it uses less digits than its factorization.

141220321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 141220321 is about 11883.6156534954. The cubic root of 141220321 is about 520.7537405044.

Adding to 141220321 its reverse (123022141), we get a palindrome (264242462).

The spelling of 141220321 in words is "one hundred forty-one million, two hundred twenty thousand, three hundred twenty-one".