126982049 has 2 divisors, whose sum is σ = 126982050. Its totient is φ = 126982048.

The previous prime is 126982007. The next prime is 126982081. The reversal of 126982049 is 940289621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107019025 + 19963024 = 10345^2 + 4468^2 .

It is a cyclic number.

It is not a de Polignac number, because 126982049 - 2⁸ = 126981793 is a prime.

It is a super-2 number, since 2×126982049² = 32248881536476802, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 126981997 and 126982015.

It is not a weakly prime, because it can be changed into another prime (126982549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63491024 + 63491025.

It is an arithmetic number, because the mean of its divisors is an integer number (63491025).

Almost surely, 2^126982049 is an apocalyptic number.

It is an amenable number.

126982049 is a deficient number, since it is larger than the sum of its proper divisors (1).

126982049 is an equidigital number, since it uses as much as digits as its factorization.

126982049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 126982049 is about 11268.6311946039. The cubic root of 126982049 is about 502.6288856956.

The spelling of 126982049 in words is "one hundred twenty-six million, nine hundred eighty-two thousand, forty-nine".