126380731093 has 2 divisors, whose sum is σ = 126380731094. Its totient is φ = 126380731092.

The previous prime is 126380731091. The next prime is 126380731097. The reversal of 126380731093 is 390137083621.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96981170724 + 29399560369 = 311418^2 + 171463^2 .

It is a cyclic number.

It is not a de Polignac number, because 126380731093 - 2¹ = 126380731091 is a prime.

Together with 126380731091, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126380731091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63190365546 + 63190365547.

It is an arithmetic number, because the mean of its divisors is an integer number (63190365547).

Almost surely, 2^126380731093 is an apocalyptic number.

It is an amenable number.

126380731093 is a deficient number, since it is larger than the sum of its proper divisors (1).

126380731093 is an equidigital number, since it uses as much as digits as its factorization.

126380731093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 43.

The spelling of 126380731093 in words is "one hundred twenty-six billion, three hundred eighty million, seven hundred thirty-one thousand, ninety-three".