126063721352 has 16 divisors (see below), whose sum is σ = 236738238300. Its totient is φ = 62933524480.

The previous prime is 126063721327. The next prime is 126063721379. The reversal of 126063721352 is 253127360621.

It can be written as a sum of positive squares in 2 ways, for example, as 124867529956 + 1196191396 = 353366^2 + 34586^2 .

It is a super-2 number, since 2×126063721352² (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 (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12286577 + ... + 12296832.

Almost surely, 2^126063721352 is an apocalyptic number.

It is an amenable number.

126063721352 is a deficient number, since it is larger than the sum of its proper divisors (110674516948).

126063721352 is a wasteful number, since it uses less digits than its factorization.

126063721352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24584056 (or 24584052 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 126063721352 in words is "one hundred twenty-six billion, sixty-three million, seven hundred twenty-one thousand, three hundred fifty-two".