126675025 has 9 divisors (see below), whose sum is σ = 157146843. Its totient is φ = 101295000.

The previous prime is 126675001. The next prime is 126675047. The reversal of 126675025 is 520576621.

The square root of 126675025 is 11255.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 45603009 + 81072016 = 6753^2 + 9004^2 .

It is not a de Polignac number, because 126675025 - 2⁵ = 126674993 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 8 ways as a sum of consecutive naturals, for example, 55150 + ... + 57400.

Almost surely, 2^126675025 is an apocalyptic number.

126675025 is the 11255-th square number.

126675025 is the 5628-th centered octagonal number.

It is an amenable number.

126675025 is a deficient number, since it is larger than the sum of its proper divisors (30471818).

126675025 is an frugal number, since it uses more digits than its factorization.

126675025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4512 (or 2256 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The cubic root of 126675025 is about 502.2234644221.

The spelling of 126675025 in words is "one hundred twenty-six million, six hundred seventy-five thousand, twenty-five".