1274563 has 4 divisors (see below), whose sum is σ = 1304248. Its totient is φ = 1244880.

The previous prime is 1274561. The next prime is 1274599. The reversal of 1274563 is 3654721.

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 1274563 - 2¹ = 1274561 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1274561) 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 3 ways as a sum of consecutive naturals, for example, 14778 + ... + 14863.

It is an arithmetic number, because the mean of its divisors is an integer number (326062).

2^1274563 is an apocalyptic number.

1274563 is a deficient number, since it is larger than the sum of its proper divisors (29685).

1274563 is an equidigital number, since it uses as much as digits as its factorization.

1274563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29684.

The product of its digits is 5040, while the sum is 28.

The square root of 1274563 is about 1128.9654556274. The cubic root of 1274563 is about 108.4227543088.

The spelling of 1274563 in words is "one million, two hundred seventy-four thousand, five hundred sixty-three".