126303040552 has 32 divisors (see below), whose sum is σ = 256869799200. Its totient is φ = 57874325184.

The previous prime is 126303040547. The next prime is 126303040553. The reversal of 126303040552 is 255040303621.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (126303040553) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4354078 + ... + 4382989.

It is an arithmetic number, because the mean of its divisors is an integer number (8027181225).

Almost surely, 2^126303040552 is an apocalyptic number.

It is an amenable number.

126303040552 is an abundant number, since it is smaller than the sum of its proper divisors (130566758648).

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

126303040552 is a wasteful number, since it uses less digits than its factorization.

126303040552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8737225 (or 8737221 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 126303040552 in words is "one hundred twenty-six billion, three hundred three million, forty thousand, five hundred fifty-two".