3126042225 has 18 divisors (see below), whose sum is σ = 5599089366. Its totient is φ = 1667222400.

The previous prime is 3126042221. The next prime is 3126042247. The reversal of 3126042225 is 5222406213.

It is a happy number.

3126042225 is a `hidden beast` number, since 3 + 12 + 604 + 22 + 25 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 2304 + 3126039921 = 48^2 + 55911^2 .

It is not a de Polignac number, because 3126042225 - 2² = 3126042221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3126042221) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6946536 + ... + 6946985.

Almost surely, 2^3126042225 is an apocalyptic number.

It is an amenable number.

3126042225 is a deficient number, since it is larger than the sum of its proper divisors (2473047141).

3126042225 is a wasteful number, since it uses less digits than its factorization.

3126042225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13893537 (or 13893529 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 3126042225 is about 55911.0206041707. The cubic root of 3126042225 is about 1462.1713835416.

Adding to 3126042225 its reverse (5222406213), we get a palindrome (8348448438).

The spelling of 3126042225 in words is "three billion, one hundred twenty-six million, forty-two thousand, two hundred twenty-five".