126005751240 has 64 divisors (see below), whose sum is σ = 378483658560. Its totient is φ = 33560075520.

The previous prime is 126005751239. The next prime is 126005751251. The reversal of 126005751240 is 42157500621.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 550059 + ... + 744698.

It is an arithmetic number, because the mean of its divisors is an integer number (5913807165).

Almost surely, 2^126005751240 is an apocalyptic number.

126005751240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126005751240 is an abundant number, since it is smaller than the sum of its proper divisors (252477907320).

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

126005751240 is a wasteful number, since it uses less digits than its factorization.

126005751240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295582 (or 1295578 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The spelling of 126005751240 in words is "one hundred twenty-six billion, five million, seven hundred fifty-one thousand, two hundred forty".