126664039 has 2 divisors, whose sum is σ = 126664040. Its totient is φ = 126664038.

The previous prime is 126664019. The next prime is 126664049. The reversal of 126664039 is 930466621.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126664039 - 2¹¹ = 126661991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126663989 and 126664007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126664019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63332019 + 63332020.

It is an arithmetic number, because the mean of its divisors is an integer number (63332020).

Almost surely, 2^126664039 is an apocalyptic number.

126664039 is a deficient number, since it is larger than the sum of its proper divisors (1).

126664039 is an equidigital number, since it uses as much as digits as its factorization.

126664039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 126664039 is about 11254.5119396622. The cubic root of 126664039 is about 502.2089454157.

The spelling of 126664039 in words is "one hundred twenty-six million, six hundred sixty-four thousand, thirty-nine".