141120521 has 2 divisors, whose sum is σ = 141120522. Its totient is φ = 141120520.

The previous prime is 141120493. The next prime is 141120527. The reversal of 141120521 is 125021141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140754496 + 366025 = 11864^2 + 605^2 .

It is a cyclic number.

It is not a de Polignac number, because 141120521 - 2¹⁰ = 141119497 is a prime.

It is a super-2 number, since 2×141120521² = 39830002894622882, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 141120521.

It is not a weakly prime, because it can be changed into another prime (141120527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70560260 + 70560261.

It is an arithmetic number, because the mean of its divisors is an integer number (70560261).

Almost surely, 2^141120521 is an apocalyptic number.

It is an amenable number.

141120521 is a deficient number, since it is larger than the sum of its proper divisors (1).

141120521 is an equidigital number, since it uses as much as digits as its factorization.

141120521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 141120521 is about 11879.4158526419. The cubic root of 141120521 is about 520.6310398657.

Adding to 141120521 its reverse (125021141), we get a palindrome (266141662).

The spelling of 141120521 in words is "one hundred forty-one million, one hundred twenty thousand, five hundred twenty-one".