127105541 has 2 divisors, whose sum is σ = 127105542. Its totient is φ = 127105540.

The previous prime is 127105523. The next prime is 127105543. The reversal of 127105541 is 145501721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94284100 + 32821441 = 9710^2 + 5729^2 .

It is a cyclic number.

It is not a de Polignac number, because 127105541 - 2⁶ = 127105477 is a prime.

Together with 127105543, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 127105541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127105543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63552770 + 63552771.

It is an arithmetic number, because the mean of its divisors is an integer number (63552771).

Almost surely, 2^127105541 is an apocalyptic number.

It is an amenable number.

127105541 is a deficient number, since it is larger than the sum of its proper divisors (1).

127105541 is an equidigital number, since it uses as much as digits as its factorization.

127105541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 127105541 is about 11274.1093218045. The cubic root of 127105541 is about 502.7917710171.

The spelling of 127105541 in words is "one hundred twenty-seven million, one hundred five thousand, five hundred forty-one".