126399876102 has 96 divisors (see below), whose sum is σ = 294741158400. Its totient is φ = 39023083584.

The previous prime is 126399876077. The next prime is 126399876107. The reversal of 126399876102 is 201678993621.

126399876102 is a `hidden beast` number, since 12 + 6 + 3 + 9 + 9 + 8 + 7 + 610 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126399876107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16375548 + ... + 16383264.

It is an arithmetic number, because the mean of its divisors is an integer number (3070220400).

Almost surely, 2^126399876102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126399876102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147370579200).

126399876102 is an abundant number, since it is smaller than the sum of its proper divisors (168341282298).

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

126399876102 is a wasteful number, since it uses less digits than its factorization.

126399876102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8810 (or 8807 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 126399876102 in words is "one hundred twenty-six billion, three hundred ninety-nine million, eight hundred seventy-six thousand, one hundred two".