126066019 has 2 divisors, whose sum is σ = 126066020. Its totient is φ = 126066018.

The previous prime is 126065983. The next prime is 126066023. The reversal of 126066019 is 910660621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126066019 - 2¹⁷ = 125934947 is a prime.

It is a super-2 number, since 2×126066019² = 31785282293016722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (126066089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63033009 + 63033010.

It is an arithmetic number, because the mean of its divisors is an integer number (63033010).

Almost surely, 2^126066019 is an apocalyptic number.

126066019 is a deficient number, since it is larger than the sum of its proper divisors (1).

126066019 is an equidigital number, since it uses as much as digits as its factorization.

126066019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 126066019 is about 11227.9124952059. The cubic root of 126066019 is about 501.4173371810.

The spelling of 126066019 in words is "one hundred twenty-six million, sixty-six thousand, nineteen".