126880577 has 2 divisors, whose sum is σ = 126880578. Its totient is φ = 126880576.

The previous prime is 126880561. The next prime is 126880583. The reversal of 126880577 is 775088621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74114881 + 52765696 = 8609^2 + 7264^2 .

It is an emirp because it is prime and its reverse (775088621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126880577 - 2⁴ = 126880561 is a prime.

It is not a weakly prime, because it can be changed into another prime (126880517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63440288 + 63440289.

It is an arithmetic number, because the mean of its divisors is an integer number (63440289).

Almost surely, 2^126880577 is an apocalyptic number.

It is an amenable number.

126880577 is a deficient number, since it is larger than the sum of its proper divisors (1).

126880577 is an equidigital number, since it uses as much as digits as its factorization.

126880577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 188160, while the sum is 44.

The square root of 126880577 is about 11264.1278845723. The cubic root of 126880577 is about 502.4949655857.

The spelling of 126880577 in words is "one hundred twenty-six million, eight hundred eighty thousand, five hundred seventy-seven".