126081203748 has 24 divisors (see below), whose sum is σ = 294196542528. Its totient is φ = 42026058336.

The previous prime is 126081203723. The next prime is 126081203753. The reversal of 126081203748 is 847302180621.

It is a super-3 number, since 3×126081203748³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 531090 + ... + 730902.

It is an arithmetic number, because the mean of its divisors is an integer number (12258189272).

Almost surely, 2^126081203748 is an apocalyptic number.

It is an amenable number.

126081203748 is an abundant number, since it is smaller than the sum of its proper divisors (168115338780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126081203748 is a wasteful number, since it uses less digits than its factorization.

126081203748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252403 (or 252401 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 126081203748 in words is "one hundred twenty-six billion, eighty-one million, two hundred three thousand, seven hundred forty-eight".