1248776225 has 36 divisors (see below), whose sum is σ = 1653217104. Its totient is φ = 935527680.

The previous prime is 1248776219. The next prime is 1248776227. The reversal of 1248776225 is 5226778421.

It is not a de Polignac number, because 1248776225 - 2⁶ = 1248776161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1248776227) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 2217794 + ... + 2218356.

Almost surely, 2^1248776225 is an apocalyptic number.

It is an amenable number.

1248776225 is a deficient number, since it is larger than the sum of its proper divisors (404440879).

1248776225 is a wasteful number, since it uses less digits than its factorization.

1248776225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914 (or 892 counting only the distinct ones).

The product of its digits is 376320, while the sum is 44.

The square root of 1248776225 is about 35338.0280293058. The cubic root of 1248776225 is about 1076.8656911239.

The spelling of 1248776225 in words is "one billion, two hundred forty-eight million, seven hundred seventy-six thousand, two hundred twenty-five".