126127540000 has 240 divisors, whose sum is σ = 386863114176. Its totient is φ = 39312000000.

The previous prime is 126127539977. The next prime is 126127540061. The reversal of 126127540000 is 45721621.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1499050 + ... + 1580950.

Almost surely, 2^126127540000 is an apocalyptic number.

126127540000 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 126127540000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193431557088).

126127540000 is an abundant number, since it is smaller than the sum of its proper divisors (260735574176).

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

126127540000 is an equidigital number, since it uses as much as digits as its factorization.

126127540000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81949 (or 81926 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The spelling of 126127540000 in words is "one hundred twenty-six billion, one hundred twenty-seven million, five hundred forty thousand".