126018077 has 2 divisors, whose sum is σ = 126018078. Its totient is φ = 126018076.

The previous prime is 126018043. The next prime is 126018121. The reversal of 126018077 is 770810621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118504996 + 7513081 = 10886^2 + 2741^2 .

It is a cyclic number.

It is not a de Polignac number, because 126018077 - 2²⁰ = 124969501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126018017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63009038 + 63009039.

It is an arithmetic number, because the mean of its divisors is an integer number (63009039).

Almost surely, 2^126018077 is an apocalyptic number.

It is an amenable number.

126018077 is a deficient number, since it is larger than the sum of its proper divisors (1).

126018077 is an equidigital number, since it uses as much as digits as its factorization.

126018077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 32.

The square root of 126018077 is about 11225.7773450216. Note that the first 3 decimals coincide. The cubic root of 126018077 is about 501.3537673200.

Adding to 126018077 its reverse (770810621), we get a palindrome (896828698).

The spelling of 126018077 in words is "one hundred twenty-six million, eighteen thousand, seventy-seven".