1275352763 has 4 divisors (see below), whose sum is σ = 1276180848. Its totient is φ = 1274524680.

The previous prime is 1275352753. The next prime is 1275352787. The reversal of 1275352763 is 3672535721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1275352763 - 2¹² = 1275348667 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1275352763.

It is not an unprimeable number, because it can be changed into a prime (1275352703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411728 + ... + 414813.

It is an arithmetic number, because the mean of its divisors is an integer number (319045212).

Almost surely, 2^1275352763 is an apocalyptic number.

1275352763 is a deficient number, since it is larger than the sum of its proper divisors (828085).

1275352763 is an equidigital number, since it uses as much as digits as its factorization.

1275352763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828084.

The product of its digits is 264600, while the sum is 41.

The square root of 1275352763 is about 35712.0814711212. The cubic root of 1275352763 is about 1084.4514383886.

The spelling of 1275352763 in words is "one billion, two hundred seventy-five million, three hundred fifty-two thousand, seven hundred sixty-three".