127612973 has 2 divisors, whose sum is σ = 127612974. Its totient is φ = 127612972.

The previous prime is 127612967. The next prime is 127612997. The reversal of 127612973 is 379216721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121044004 + 6568969 = 11002^2 + 2563^2 .

It is a cyclic number.

It is not a de Polignac number, because 127612973 - 2¹⁸ = 127350829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127615973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63806486 + 63806487.

It is an arithmetic number, because the mean of its divisors is an integer number (63806487).

Almost surely, 2^127612973 is an apocalyptic number.

It is an amenable number.

127612973 is a deficient number, since it is larger than the sum of its proper divisors (1).

127612973 is an equidigital number, since it uses as much as digits as its factorization.

127612973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752, while the sum is 38.

The square root of 127612973 is about 11296.5912115116. The cubic root of 127612973 is about 503.4599660426.

The spelling of 127612973 in words is "one hundred twenty-seven million, six hundred twelve thousand, nine hundred seventy-three".