1273255 has 8 divisors (see below), whose sum is σ = 1565424. Its totient is φ = 993600.

The previous prime is 1273241. The next prime is 1273267. The reversal of 1273255 is 5523721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1273255 - 2⁷ = 1273127 is a prime.

It is a d-powerful number, because it can be written as 1 + 2⁴ + 7⁷ + 3¹⁰ + 2⁴ + 5 + 5⁸ .

It is a Duffinian number.

1273255 is a lucky number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2901 + ... + 3310.

It is an arithmetic number, because the mean of its divisors is an integer number (195678).

2^1273255 is an apocalyptic number.

1273255 is a deficient number, since it is larger than the sum of its proper divisors (292169).

1273255 is an equidigital number, since it uses as much as digits as its factorization.

1273255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6257.

The product of its digits is 2100, while the sum is 25.

The square root of 1273255 is about 1128.3860155106. The cubic root of 1273255 is about 108.3856525720.

Adding to 1273255 its reverse (5523721), we get a palindrome (6796976).

The spelling of 1273255 in words is "one million, two hundred seventy-three thousand, two hundred fifty-five".