126387762752 has 14 divisors (see below), whose sum is σ = 250800716838. Its totient is φ = 63193881344.

The previous prime is 126387762689. The next prime is 126387762763. The reversal of 126387762752 is 257267783621.

It can be written as a sum of positive squares in only one way, i.e., 124648539136 + 1739223616 = 353056^2 + 41704^2 .

It is a super-2 number, since 2×126387762752² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 987404333 + ... + 987404460.

It is an arithmetic number, because the mean of its divisors is an integer number (17914336917).

Almost surely, 2^126387762752 is an apocalyptic number.

It is an amenable number.

126387762752 is a deficient number, since it is larger than the sum of its proper divisors (124412954086).

126387762752 is an equidigital number, since it uses as much as digits as its factorization.

126387762752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1974808805 (or 1974808795 counting only the distinct ones).

The product of its digits is 11854080, while the sum is 56.

The spelling of 126387762752 in words is "one hundred twenty-six billion, three hundred eighty-seven million, seven hundred sixty-two thousand, seven hundred fifty-two".