1263245273307 has 12 divisors (see below), whose sum is σ = 1824732604240. Its totient is φ = 842142752208.

The previous prime is 1263245273299. The next prime is 1263245273333. The reversal of 1263245273307 is 7033725423621.

1263245273307 is a `hidden beast` number, since 1 + 2 + 6 + 32 + 45 + 273 + 307 = 666.

It is not a de Polignac number, because 1263245273307 - 2³ = 1263245273299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1263245973307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1340332 + ... + 2079177.

Almost surely, 2^{1263245273307} is an apocalyptic number.

1263245273307 is a deficient number, since it is larger than the sum of its proper divisors (561487330933).

1263245273307 is a wasteful number, since it uses less digits than its factorization.

1263245273307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3460562 (or 3460559 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 45.

The spelling of 1263245273307 in words is "one trillion, two hundred sixty-three billion, two hundred forty-five million, two hundred seventy-three thousand, three hundred seven".