126630560252 has 18 divisors (see below), whose sum is σ = 257783640912. Its totient is φ = 54270240024.

The previous prime is 126630560197. The next prime is 126630560261. The reversal of 126630560252 is 252065036621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 323036948 + ... + 323037339.

It is an arithmetic number, because the mean of its divisors is an integer number (14321313384).

Almost surely, 2^126630560252 is an apocalyptic number.

It is an amenable number.

126630560252 is an abundant number, since it is smaller than the sum of its proper divisors (131153080660).

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

126630560252 is a wasteful number, since it uses less digits than its factorization.

126630560252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646074305 (or 646074296 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 126630560252 its reverse (252065036621), we get a palindrome (378695596873).

The spelling of 126630560252 in words is "one hundred twenty-six billion, six hundred thirty million, five hundred sixty thousand, two hundred fifty-two".