1275348393 has 24 divisors (see below), whose sum is σ = 2011166976. Its totient is φ = 772351200.

The previous prime is 1275348391. The next prime is 1275348407. The reversal of 1275348393 is 3938435721.

1275348393 is a `hidden beast` number, since 1 + 27 + 534 + 8 + 3 + 93 = 666.

It is not a de Polignac number, because 1275348393 - 2¹ = 1275348391 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1275348391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151023 + ... + 159243.

It is an arithmetic number, because the mean of its divisors is an integer number (83798624).

Almost surely, 2^1275348393 is an apocalyptic number.

It is an amenable number.

1275348393 is a deficient number, since it is larger than the sum of its proper divisors (735818583).

1275348393 is a wasteful number, since it uses less digits than its factorization.

1275348393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9805 (or 9802 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 1275348393 is about 35712.0202872926. The cubic root of 1275348393 is about 1084.4501997618.

The spelling of 1275348393 in words is "one billion, two hundred seventy-five million, three hundred forty-eight thousand, three hundred ninety-three".