141305121 has 8 divisors (see below), whose sum is σ = 209340960. Its totient is φ = 94203396.

The previous prime is 141305119. The next prime is 141305141. The reversal of 141305121 is 121503141.

It is not a de Polignac number, because 141305121 - 2¹ = 141305119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 141305094 and 141305103.

It is not an unprimeable number, because it can be changed into a prime (141305141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2616735 + ... + 2616788.

It is an arithmetic number, because the mean of its divisors is an integer number (26167620).

Almost surely, 2^141305121 is an apocalyptic number.

It is an amenable number.

141305121 is a deficient number, since it is larger than the sum of its proper divisors (68035839).

141305121 is an equidigital number, since it uses as much as digits as its factorization.

141305121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5233532 (or 5233526 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 141305121 is about 11887.1830557117. The cubic root of 141305121 is about 520.8579537432.

Adding to 141305121 its reverse (121503141), we get a palindrome (262808262).

The spelling of 141305121 in words is "one hundred forty-one million, three hundred five thousand, one hundred twenty-one".