1244213425 has 96 divisors (see below), whose sum is σ = 2051868672. Its totient is φ = 726036480.

The previous prime is 1244213407. The next prime is 1244213431. The reversal of 1244213425 is 5243124421.

It is not a de Polignac number, because 1244213425 - 2¹¹ = 1244211377 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1244213393 and 1244213402.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2049472 + ... + 2050078.

It is an arithmetic number, because the mean of its divisors is an integer number (21373632).

Almost surely, 2^1244213425 is an apocalyptic number.

It is an amenable number.

1244213425 is a deficient number, since it is larger than the sum of its proper divisors (807655247).

1244213425 is a wasteful number, since it uses less digits than its factorization.

1244213425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707 (or 702 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 1244213425 is about 35273.4096027021. The cubic root of 1244213425 is about 1075.5525336967.

Adding to 1244213425 its reverse (5243124421), we get a palindrome (6487337846).

The spelling of 1244213425 in words is "one billion, two hundred forty-four million, two hundred thirteen thousand, four hundred twenty-five".