126042750220 has 24 divisors (see below), whose sum is σ = 271145625408. Its totient is φ = 49187414400.

The previous prime is 126042750209. The next prime is 126042750287. The reversal of 126042750220 is 22057240621.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76854516 + ... + 76856155.

It is an arithmetic number, because the mean of its divisors is an integer number (11297734392).

Almost surely, 2^126042750220 is an apocalyptic number.

126042750220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126042750220 is an abundant number, since it is smaller than the sum of its proper divisors (145102875188).

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

126042750220 is a wasteful number, since it uses less digits than its factorization.

126042750220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153710721 (or 153710719 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

Adding to 126042750220 its reverse (22057240621), we get a palindrome (148099990841).

The spelling of 126042750220 in words is "one hundred twenty-six billion, forty-two million, seven hundred fifty thousand, two hundred twenty".