127973 has 2 divisors, whose sum is σ = 127974. Its totient is φ = 127972.

The previous prime is 127951. The next prime is 127979. The reversal of 127973 is 379721.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124609 + 3364 = 353^2 + 58^2 .

It is an emirp because it is prime and its reverse (379721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 127973 - 2⁸ = 127717 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63986 + 63987.

It is an arithmetic number, because the mean of its divisors is an integer number (63987).

2¹²⁷⁹⁷³ is an apocalyptic number.

It is an amenable number.

127973 is a deficient number, since it is larger than the sum of its proper divisors (1).

127973 is an equidigital number, since it uses as much as digits as its factorization.

127973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2646, while the sum is 29.

The square root of 127973 is about 357.7331407628. The cubic root of 127973 is about 50.3932982187.

The spelling of 127973 in words is "one hundred twenty-seven thousand, nine hundred seventy-three".