126106160777 has 2 divisors, whose sum is σ = 126106160778. Its totient is φ = 126106160776.

The previous prime is 126106160773. The next prime is 126106160809. The reversal of 126106160777 is 777061601621.

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., 99156341881 + 26949818896 = 314891^2 + 164164^2 .

It is a cyclic number.

It is not a de Polignac number, because 126106160777 - 2² = 126106160773 is a prime.

It is not a weakly prime, because it can be changed into another prime (126106160773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63053080388 + 63053080389.

It is an arithmetic number, because the mean of its divisors is an integer number (63053080389).

Almost surely, 2^126106160777 is an apocalyptic number.

It is an amenable number.

126106160777 is a deficient number, since it is larger than the sum of its proper divisors (1).

126106160777 is an equidigital number, since it uses as much as digits as its factorization.

126106160777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 148176, while the sum is 44.

The spelling of 126106160777 in words is "one hundred twenty-six billion, one hundred six million, one hundred sixty thousand, seven hundred seventy-seven".