141121321 has 4 divisors (see below), whose sum is σ = 153950544. Its totient is φ = 128292100.

The previous prime is 141121289. The next prime is 141121339. The reversal of 141121321 is 123121141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 141121321 - 2⁵ = 141121289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 141121295 and 141121304.

It is not an unprimeable number, because it can be changed into a prime (141121381) 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 3 ways as a sum of consecutive naturals, for example, 6414595 + ... + 6414616.

It is an arithmetic number, because the mean of its divisors is an integer number (38487636).

Almost surely, 2^141121321 is an apocalyptic number.

141121321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

141121321 is a deficient number, since it is larger than the sum of its proper divisors (12829223).

141121321 is a wasteful number, since it uses less digits than its factorization.

141121321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12829222.

The product of its digits is 48, while the sum is 16.

The square root of 141121321 is about 11879.4495242835. The cubic root of 141121321 is about 520.6320236679.

Adding to 141121321 its reverse (123121141), we get a palindrome (264242462).

The spelling of 141121321 in words is "one hundred forty-one million, one hundred twenty-one thousand, three hundred twenty-one".