141122561 has 2 divisors, whose sum is σ = 141122562. Its totient is φ = 141122560.

The previous prime is 141122543. The next prime is 141122563. The reversal of 141122561 is 165221141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114918400 + 26204161 = 10720^2 + 5119^2 .

It is a cyclic number.

It is not a de Polignac number, because 141122561 - 2²⁶ = 74013697 is a prime.

It is a super-3 number, since 3×141122561³ (a number of 25 digits) contains 333 as substring.

Together with 141122563, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (141122563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70561280 + 70561281.

It is an arithmetic number, because the mean of its divisors is an integer number (70561281).

Almost surely, 2^141122561 is an apocalyptic number.

It is an amenable number.

141122561 is a deficient number, since it is larger than the sum of its proper divisors (1).

141122561 is an equidigital number, since it uses as much as digits as its factorization.

141122561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 480, while the sum is 23.

The square root of 141122561 is about 11879.5017151394. The cubic root of 141122561 is about 520.6335485540.

The spelling of 141122561 in words is "one hundred forty-one million, one hundred twenty-two thousand, five hundred sixty-one".