126401633047 has 2 divisors, whose sum is σ = 126401633048. Its totient is φ = 126401633046.

The previous prime is 126401633041. The next prime is 126401633177. The reversal of 126401633047 is 740336104621.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126401633047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126401632997 and 126401633015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126401633041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63200816523 + 63200816524.

It is an arithmetic number, because the mean of its divisors is an integer number (63200816524).

Almost surely, 2^126401633047 is an apocalyptic number.

126401633047 is a deficient number, since it is larger than the sum of its proper divisors (1).

126401633047 is an equidigital number, since it uses as much as digits as its factorization.

126401633047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 37.

Adding to 126401633047 its reverse (740336104621), we get a palindrome (866737737668).

The spelling of 126401633047 in words is "one hundred twenty-six billion, four hundred one million, six hundred thirty-three thousand, forty-seven".