126003206580 has 48 divisors (see below), whose sum is σ = 352824413760. Its totient is φ = 33599385088.

The previous prime is 126003206561. The next prime is 126003206587. The reversal of 126003206580 is 85602300621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126003206587) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2539651 + ... + 2588789.

It is an arithmetic number, because the mean of its divisors is an integer number (7350508620).

Almost surely, 2^126003206580 is an apocalyptic number.

126003206580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126003206580 is an abundant number, since it is smaller than the sum of its proper divisors (226821207180).

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

126003206580 is a wasteful number, since it uses less digits than its factorization.

126003206580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91888 (or 91886 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 126003206580 in words is "one hundred twenty-six billion, three million, two hundred six thousand, five hundred eighty".