127339057 has 2 divisors, whose sum is σ = 127339058. Its totient is φ = 127339056.

The previous prime is 127339031. The next prime is 127339067. The reversal of 127339057 is 750933721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122677776 + 4661281 = 11076^2 + 2159^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127339057 is a prime.

It is not a weakly prime, because it can be changed into another prime (127339067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63669528 + 63669529.

It is an arithmetic number, because the mean of its divisors is an integer number (63669529).

Almost surely, 2^127339057 is an apocalyptic number.

It is an amenable number.

127339057 is a deficient number, since it is larger than the sum of its proper divisors (1).

127339057 is an equidigital number, since it uses as much as digits as its factorization.

127339057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39690, while the sum is 37.

The square root of 127339057 is about 11284.4608643922. The cubic root of 127339057 is about 503.0994892972.

The spelling of 127339057 in words is "one hundred twenty-seven million, three hundred thirty-nine thousand, fifty-seven".