141221425 has 12 divisors (see below), whose sum is σ = 179386956. Its totient is φ = 110220800.

The previous prime is 141221419. The next prime is 141221459. The reversal of 141221425 is 524122141.

141221425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 62916624 + 78304801 = 7932^2 + 8849^2 .

It is not a de Polignac number, because 141221425 - 2⁹ = 141220913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 141221396 and 141221405.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67864 + ... + 69913.

It is an arithmetic number, because the mean of its divisors is an integer number (14948913).

Almost surely, 2^141221425 is an apocalyptic number.

It is an amenable number.

141221425 is a deficient number, since it is larger than the sum of its proper divisors (38165531).

141221425 is a wasteful number, since it uses less digits than its factorization.

141221425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137828 (or 137823 counting only the distinct ones).

The product of its digits is 640, while the sum is 22.

The square root of 141221425 is about 11883.6621039139. The cubic root of 141221425 is about 520.7550975108.

Adding to 141221425 its reverse (524122141), we get a palindrome (665343566).

The spelling of 141221425 in words is "one hundred forty-one million, two hundred twenty-one thousand, four hundred twenty-five".