126544225 has 12 divisors (see below), whose sum is σ = 157103164. Its totient is φ = 101113920.

The previous prime is 126544193. The next prime is 126544241. The reversal of 126544225 is 522445621.

It can be written as a sum of positive squares in 6 ways, for example, as 16378209 + 110166016 = 4047^2 + 10496^2 .

It is not a de Polignac number, because 126544225 - 2⁵ = 126544193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22387 + ... + 27463.

Almost surely, 2^126544225 is an apocalyptic number.

It is an amenable number.

126544225 is a deficient number, since it is larger than the sum of its proper divisors (30558939).

126544225 is an equidigital number, since it uses as much as digits as its factorization.

126544225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6084 (or 6079 counting only the distinct ones).

The product of its digits is 19200, while the sum is 31.

The square root of 126544225 is about 11249.1877484554. The cubic root of 126544225 is about 502.0505456954.

Adding to 126544225 its reverse (522445621), we get a palindrome (648989846).

The spelling of 126544225 in words is "one hundred twenty-six million, five hundred forty-four thousand, two hundred twenty-five".