127439141 has 2 divisors, whose sum is σ = 127439142. Its totient is φ = 127439140.

The previous prime is 127439131. The next prime is 127439149. The reversal of 127439141 is 141934721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93683041 + 33756100 = 9679^2 + 5810^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127439141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 127439098 and 127439107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127439149) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63719570 + 63719571.

It is an arithmetic number, because the mean of its divisors is an integer number (63719571).

Almost surely, 2^127439141 is an apocalyptic number.

It is an amenable number.

127439141 is a deficient number, since it is larger than the sum of its proper divisors (1).

127439141 is an equidigital number, since it uses as much as digits as its factorization.

127439141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 32.

The square root of 127439141 is about 11288.8945871595. The cubic root of 127439141 is about 503.2312609220.

The spelling of 127439141 in words is "one hundred twenty-seven million, four hundred thirty-nine thousand, one hundred forty-one".