126263876407 has 2 divisors, whose sum is σ = 126263876408. Its totient is φ = 126263876406.

The previous prime is 126263876371. The next prime is 126263876527. The reversal of 126263876407 is 704678362621.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126263876407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126263879407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63131938203 + 63131938204.

It is an arithmetic number, because the mean of its divisors is an integer number (63131938204).

Almost surely, 2^126263876407 is an apocalyptic number.

126263876407 is a deficient number, since it is larger than the sum of its proper divisors (1).

126263876407 is an equidigital number, since it uses as much as digits as its factorization.

126263876407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4064256, while the sum is 52.

The spelling of 126263876407 in words is "one hundred twenty-six billion, two hundred sixty-three million, eight hundred seventy-six thousand, four hundred seven".