126572305128 has 32 divisors (see below), whose sum is σ = 316452284160. Its totient is φ = 42187898880.

The previous prime is 126572305103. The next prime is 126572305141. The reversal of 126572305128 is 821503275621.

It is a self number, because there is not a number n which added to its sum of digits gives 126572305128.

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, 197001 + ... + 540327.

It is an arithmetic number, because the mean of its divisors is an integer number (9889133880).

Almost surely, 2^126572305128 is an apocalyptic number.

It is an amenable number.

126572305128 is an abundant number, since it is smaller than the sum of its proper divisors (189879979032).

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

126572305128 is a wasteful number, since it uses less digits than its factorization.

126572305128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358697 (or 358693 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 126572305128 in words is "one hundred twenty-six billion, five hundred seventy-two million, three hundred five thousand, one hundred twenty-eight".