126420243444660 has 192 divisors, whose sum is σ = 390630885120000. Its totient is φ = 30293225664000.

The previous prime is 126420243444647. The next prime is 126420243444683. The reversal of 126420243444660 is 66444342024621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 38346291 + ... + 41512389.

It is an arithmetic number, because the mean of its divisors is an integer number (2034535860000).

Almost surely, 2^{126420243444660} is an apocalyptic number.

126420243444660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126420243444660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195315442560000).

126420243444660 is an abundant number, since it is smaller than the sum of its proper divisors (264210641675340).

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

126420243444660 is a wasteful number, since it uses less digits than its factorization.

126420243444660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3166822 (or 3166820 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 48.

The spelling of 126420243444660 in words is "one hundred twenty-six trillion, four hundred twenty billion, two hundred forty-three million, four hundred forty-four thousand, six hundred sixty".