1293286225 has 24 divisors (see below), whose sum is σ = 1999389888. Its totient is φ = 806203200.

The previous prime is 1293286219. The next prime is 1293286249. The reversal of 1293286225 is 5226823921.

It is not a de Polignac number, because 1293286225 - 2³ = 1293286217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 333994 + ... + 337843.

It is an arithmetic number, because the mean of its divisors is an integer number (83307912).

Almost surely, 2^1293286225 is an apocalyptic number.

It is an amenable number.

1293286225 is a deficient number, since it is larger than the sum of its proper divisors (706103663).

1293286225 is a wasteful number, since it uses less digits than its factorization.

1293286225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671865 (or 671860 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 1293286225 is about 35962.2889288210. The cubic root of 1293286225 is about 1089.5108275509.

The spelling of 1293286225 in words is "one billion, two hundred ninety-three million, two hundred eighty-six thousand, two hundred twenty-five".