126385807225 has 6 divisors (see below), whose sum is σ = 156718400990. Its totient is φ = 101108645760.

The previous prime is 126385807211. The next prime is 126385807243. The reversal of 126385807225 is 522708583621.

It can be written as a sum of positive squares in 3 ways, for example, as 7708313209 + 118677494016 = 87797^2 + 344496^2 .

It is not a de Polignac number, because 126385807225 - 2²¹ = 126383710073 is a prime.

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, 2527716120 + ... + 2527716169.

Almost surely, 2^126385807225 is an apocalyptic number.

It is an amenable number.

126385807225 is a deficient number, since it is larger than the sum of its proper divisors (30332593765).

126385807225 is an equidigital number, since it uses as much as digits as its factorization.

126385807225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5055432299 (or 5055432294 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 49.

The spelling of 126385807225 in words is "one hundred twenty-six billion, three hundred eighty-five million, eight hundred seven thousand, two hundred twenty-five".