127444397 has 2 divisors, whose sum is σ = 127444398. Its totient is φ = 127444396.

The previous prime is 127444367. The next prime is 127444411. The reversal of 127444397 is 793444721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64416676 + 63027721 = 8026^2 + 7939^2 .

It is a cyclic number.

It is not a de Polignac number, because 127444397 - 2⁶ = 127444333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127444327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63722198 + 63722199.

It is an arithmetic number, because the mean of its divisors is an integer number (63722199).

Almost surely, 2^127444397 is an apocalyptic number.

It is an amenable number.

127444397 is a deficient number, since it is larger than the sum of its proper divisors (1).

127444397 is an equidigital number, since it uses as much as digits as its factorization.

127444397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 41.

The square root of 127444397 is about 11289.1273799174. The cubic root of 127444397 is about 503.2381791188.

The spelling of 127444397 in words is "one hundred twenty-seven million, four hundred forty-four thousand, three hundred ninety-seven".