1272255 has 16 divisors (see below), whose sum is σ = 2060640. Its totient is φ = 670208.

The previous prime is 1272253. The next prime is 1272269. The reversal of 1272255 is 5522721.

It is a cyclic number.

It is not a de Polignac number, because 1272255 - 2¹ = 1272253 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1272253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 859 + ... + 1811.

It is an arithmetic number, because the mean of its divisors is an integer number (128790).

2^1272255 is an apocalyptic number.

1272255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1272255 is a deficient number, since it is larger than the sum of its proper divisors (788385).

1272255 is an equidigital number, since it uses as much as digits as its factorization.

1272255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050.

The product of its digits is 1400, while the sum is 24.

The square root of 1272255 is about 1127.9428176995. The cubic root of 1272255 is about 108.3572701873.

Adding to 1272255 its reverse (5522721), we get a palindrome (6794976).

The spelling of 1272255 in words is "one million, two hundred seventy-two thousand, two hundred fifty-five".