1272262255 has 8 divisors (see below), whose sum is σ = 1665507024. Its totient is φ = 925281600.

The previous prime is 1272262193. The next prime is 1272262259. The reversal of 1272262255 is 5522622721.

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

It is not a de Polignac number, because 1272262255 - 2¹⁹ = 1271737967 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 1272262255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1272262259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11565966 + ... + 11566075.

It is an arithmetic number, because the mean of its divisors is an integer number (208188378).

Almost surely, 2^1272262255 is an apocalyptic number.

1272262255 is a deficient number, since it is larger than the sum of its proper divisors (393244769).

1272262255 is a wasteful number, since it uses less digits than its factorization.

1272262255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23132057.

The product of its digits is 33600, while the sum is 34.

The square root of 1272262255 is about 35668.7854432976. The cubic root of 1272262255 is about 1083.5747615504.

Adding to 1272262255 its reverse (5522622721), we get a palindrome (6794884976).

The spelling of 1272262255 in words is "one billion, two hundred seventy-two million, two hundred sixty-two thousand, two hundred fifty-five".