126804732761 has 12 divisors (see below), whose sum is σ = 147909495168. Its totient is φ = 108393598152.

The previous prime is 126804732713. The next prime is 126804732787. The reversal of 126804732761 is 167237408621.

It is not a de Polignac number, because 126804732761 - 2⁶ = 126804732697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126804734761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3507701 + ... + 3543666.

It is an arithmetic number, because the mean of its divisors is an integer number (12325791264).

Almost surely, 2^126804732761 is an apocalyptic number.

It is an amenable number.

126804732761 is a deficient number, since it is larger than the sum of its proper divisors (21104762407).

126804732761 is an equidigital number, since it uses as much as digits as its factorization.

126804732761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7051748 (or 7051741 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 47.

The spelling of 126804732761 in words is "one hundred twenty-six billion, eight hundred four million, seven hundred thirty-two thousand, seven hundred sixty-one".