1273063 has 4 divisors (see below), whose sum is σ = 1388808. Its totient is φ = 1157320.

The previous prime is 1273039. The next prime is 1273087. The reversal of 1273063 is 3603721.

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

It is an interprime number because it is at equal distance from previous prime (1273039) and next prime (1273087).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1273063 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1273033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57856 + ... + 57877.

It is an arithmetic number, because the mean of its divisors is an integer number (347202).

2^1273063 is an apocalyptic number.

1273063 is a deficient number, since it is larger than the sum of its proper divisors (115745).

1273063 is a wasteful number, since it uses less digits than its factorization.

1273063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115744.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 1273063 is about 1128.3009350346. The cubic root of 1273063 is about 108.3802043072.

Adding to 1273063 its reverse (3603721), we get a palindrome (4876784).

The spelling of 1273063 in words is "one million, two hundred seventy-three thousand, sixty-three".