126530538 has 32 divisors (see below), whose sum is σ = 275572800. Its totient is φ = 38578176.

The previous prime is 126530527. The next prime is 126530611. The reversal of 126530538 is 835035621.

It is a junction number, because it is equal to n+sod(n) for n = 126530499 and 126530508.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15831 + ... + 22442.

It is an arithmetic number, because the mean of its divisors is an integer number (8611650).

Almost surely, 2^126530538 is an apocalyptic number.

126530538 is an abundant number, since it is smaller than the sum of its proper divisors (149042262).

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

126530538 is a wasteful number, since it uses less digits than its factorization.

126530538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38326.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 126530538 is about 11248.5793769702. The cubic root of 126530538 is about 502.0324444780.

The spelling of 126530538 in words is "one hundred twenty-six million, five hundred thirty thousand, five hundred thirty-eight".