1253124245 has 8 divisors (see below), whose sum is σ = 1503948600. Its totient is φ = 1002366400.

The previous prime is 1253124239. The next prime is 1253124343. The reversal of 1253124245 is 5424213521.

It can be written as a sum of positive squares in 4 ways, for example, as 690533284 + 562590961 = 26278^2 + 23719^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1253124245 - 2²⁴ = 1236347029 is a prime.

It is a Curzon number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 46895 + ... + 68595.

It is an arithmetic number, because the mean of its divisors is an integer number (187993575).

Almost surely, 2^1253124245 is an apocalyptic number.

It is an amenable number.

1253124245 is a deficient number, since it is larger than the sum of its proper divisors (250824355).

1253124245 is a wasteful number, since it uses less digits than its factorization.

1253124245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33255.

The product of its digits is 9600, while the sum is 29.

The square root of 1253124245 is about 35399.4949822734. The cubic root of 1253124245 is about 1078.1140625874.

Adding to 1253124245 its reverse (5424213521), we get a palindrome (6677337766).

The spelling of 1253124245 in words is "one billion, two hundred fifty-three million, one hundred twenty-four thousand, two hundred forty-five".