126740624788 has 12 divisors (see below), whose sum is σ = 229444234740. Its totient is φ = 61185129152.

The previous prime is 126740624783. The next prime is 126740624789. The reversal of 126740624788 is 887426047621.

It can be written as a sum of positive squares in 2 ways, for example, as 74037321604 + 52703303184 = 272098^2 + 229572^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126740624783) 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 in 3 ways as a sum of consecutive naturals, for example, 546295681 + ... + 546295912.

It is an arithmetic number, because the mean of its divisors is an integer number (19120352895).

Almost surely, 2^126740624788 is an apocalyptic number.

It is an amenable number.

126740624788 is a deficient number, since it is larger than the sum of its proper divisors (102703609952).

126740624788 is a wasteful number, since it uses less digits than its factorization.

126740624788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092591626 (or 1092591624 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 55.

The spelling of 126740624788 in words is "one hundred twenty-six billion, seven hundred forty million, six hundred twenty-four thousand, seven hundred eighty-eight".