126146525377 has 2 divisors, whose sum is σ = 126146525378. Its totient is φ = 126146525376.

The previous prime is 126146525369. The next prime is 126146525389. The reversal of 126146525377 is 773525641621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97666250256 + 28480275121 = 312516^2 + 168761^2 .

It is a cyclic number.

It is not a de Polignac number, because 126146525377 - 2³ = 126146525369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126146525377.

It is not a weakly prime, because it can be changed into another prime (126146525357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63073262688 + 63073262689.

It is an arithmetic number, because the mean of its divisors is an integer number (63073262689).

Almost surely, 2^126146525377 is an apocalyptic number.

It is an amenable number.

126146525377 is a deficient number, since it is larger than the sum of its proper divisors (1).

126146525377 is an equidigital number, since it uses as much as digits as its factorization.

126146525377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2116800, while the sum is 49.

The spelling of 126146525377 in words is "one hundred twenty-six billion, one hundred forty-six million, five hundred twenty-five thousand, three hundred seventy-seven".