141321220 has 48 divisors (see below), whose sum is σ = 306871488. Its totient is φ = 54633600.

The previous prime is 141321217. The next prime is 141321233. The reversal of 141321220 is 22123141.

It is a junction number, because it is equal to n+sod(n) for n = 141321194 and 141321203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86047 + ... + 87673.

It is an arithmetic number, because the mean of its divisors is an integer number (6393156).

Almost surely, 2^141321220 is an apocalyptic number.

141321220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 141321220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153435744).

141321220 is an abundant number, since it is smaller than the sum of its proper divisors (165550268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

141321220 is a wasteful number, since it uses less digits than its factorization.

141321220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780 (or 1778 counting only the distinct ones).

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

The square root of 141321220 is about 11887.8601943327. The cubic root of 141321220 is about 520.8777335731.

Adding to 141321220 its reverse (22123141), we get a palindrome (163444361).

The spelling of 141321220 in words is "one hundred forty-one million, three hundred twenty-one thousand, two hundred twenty".