127405284397 has 2 divisors, whose sum is σ = 127405284398. Its totient is φ = 127405284396.

The previous prime is 127405284389. The next prime is 127405284431. The reversal of 127405284397 is 793482504721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120172462281 + 7232822116 = 346659^2 + 85046^2 .

It is a cyclic number.

It is not a de Polignac number, because 127405284397 - 2³ = 127405284389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127405284337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63702642198 + 63702642199.

It is an arithmetic number, because the mean of its divisors is an integer number (63702642199).

Almost surely, 2^127405284397 is an apocalyptic number.

It is an amenable number.

127405284397 is a deficient number, since it is larger than the sum of its proper divisors (1).

127405284397 is an equidigital number, since it uses as much as digits as its factorization.

127405284397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 127405284397 in words is "one hundred twenty-seven billion, four hundred five million, two hundred eighty-four thousand, three hundred ninety-seven".