141042521 has 2 divisors, whose sum is σ = 141042522. Its totient is φ = 141042520.

The previous prime is 141042479. The next prime is 141042533. The reversal of 141042521 is 125240141.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141015625 + 26896 = 11875^2 + 164^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141042521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 141042493 and 141042502.

It is not a weakly prime, because it can be changed into another prime (141042541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70521260 + 70521261.

It is an arithmetic number, because the mean of its divisors is an integer number (70521261).

Almost surely, 2^141042521 is an apocalyptic number.

It is an amenable number.

141042521 is a deficient number, since it is larger than the sum of its proper divisors (1).

141042521 is an equidigital number, since it uses as much as digits as its factorization.

141042521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 141042521 is about 11876.1324091642. The cubic root of 141042521 is about 520.5351012903.

Adding to 141042521 its reverse (125240141), we get a palindrome (266282662).

The spelling of 141042521 in words is "one hundred forty-one million, forty-two thousand, five hundred twenty-one".