126120112544 has 12 divisors (see below), whose sum is σ = 248298971634. Its totient is φ = 63060056256.

The previous prime is 126120112507. The next prime is 126120112553. The reversal of 126120112544 is 445211021621.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 126016480144 + 103632400 = 354988^2 + 10180^2 .

It is a super-2 number, since 2×126120112544² (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, 1970626727 + ... + 1970626790.

Almost surely, 2^126120112544 is an apocalyptic number.

It is an amenable number.

126120112544 is a deficient number, since it is larger than the sum of its proper divisors (122178859090).

126120112544 is an equidigital number, since it uses as much as digits as its factorization.

126120112544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3941253527 (or 3941253519 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The spelling of 126120112544 in words is "one hundred twenty-six billion, one hundred twenty million, one hundred twelve thousand, five hundred forty-four".