127825937 has 2 divisors, whose sum is σ = 127825938. Its totient is φ = 127825936.

The previous prime is 127825933. The next prime is 127825949. The reversal of 127825937 is 739528721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117592336 + 10233601 = 10844^2 + 3199^2 .

It is an emirp because it is prime and its reverse (739528721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 127825937 - 2² = 127825933 is a prime.

It is not a weakly prime, because it can be changed into another prime (127825933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63912968 + 63912969.

It is an arithmetic number, because the mean of its divisors is an integer number (63912969).

Almost surely, 2^127825937 is an apocalyptic number.

It is an amenable number.

127825937 is a deficient number, since it is larger than the sum of its proper divisors (1).

127825937 is an equidigital number, since it uses as much as digits as its factorization.

127825937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 44.

The square root of 127825937 is about 11306.0133115082. The cubic root of 127825937 is about 503.7398729562.

The spelling of 127825937 in words is "one hundred twenty-seven million, eight hundred twenty-five thousand, nine hundred thirty-seven".