126204388967 has 2 divisors, whose sum is σ = 126204388968. Its totient is φ = 126204388966.

The previous prime is 126204388963. The next prime is 126204388991. The reversal of 126204388967 is 769883402621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126204388967 - 2² = 126204388963 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126204388963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63102194483 + 63102194484.

It is an arithmetic number, because the mean of its divisors is an integer number (63102194484).

Almost surely, 2^126204388967 is an apocalyptic number.

126204388967 is a deficient number, since it is larger than the sum of its proper divisors (1).

126204388967 is an equidigital number, since it uses as much as digits as its factorization.

126204388967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6967296, while the sum is 56.

The spelling of 126204388967 in words is "one hundred twenty-six billion, two hundred four million, three hundred eighty-eight thousand, nine hundred sixty-seven".