126043217144 has 64 divisors (see below), whose sum is σ = 262864103040. Its totient is φ = 56289663360.

The previous prime is 126043217107. The next prime is 126043217191. The reversal of 126043217144 is 441712340621.

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346799 + ... + 610209.

It is an arithmetic number, because the mean of its divisors is an integer number (4107251610).

Almost surely, 2^126043217144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126043217144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131432051520).

126043217144 is an abundant number, since it is smaller than the sum of its proper divisors (136820885896).

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

126043217144 is a wasteful number, since it uses less digits than its factorization.

126043217144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263580 (or 263576 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

Adding to 126043217144 its reverse (441712340621), we get a palindrome (567755557765).

The spelling of 126043217144 in words is "one hundred twenty-six billion, forty-three million, two hundred seventeen thousand, one hundred forty-four".