126525625 has 10 divisors (see below), whose sum is σ = 158107202. Its totient is φ = 101220000.

The previous prime is 126525583. The next prime is 126525643. The reversal of 126525625 is 526525621.

It can be written as a sum of positive squares in 5 ways, for example, as 56836521 + 69689104 = 7539^2 + 8348^2 .

It is a de Polignac number, because none of the positive numbers 2^k-126525625 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 100596 + ... + 101845.

Almost surely, 2^126525625 is an apocalyptic number.

It is an amenable number.

126525625 is a deficient number, since it is larger than the sum of its proper divisors (31581577).

126525625 is an frugal number, since it uses more digits than its factorization.

126525625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202461 (or 202446 counting only the distinct ones).

The product of its digits is 36000, while the sum is 34.

The square root of 126525625 is about 11248.3609917179. The cubic root of 126525625 is about 502.0259466597.

The spelling of 126525625 in words is "one hundred twenty-six million, five hundred twenty-five thousand, six hundred twenty-five".