1275131255 has 8 divisors (see below), whose sum is σ = 1531842624. Its totient is φ = 1018981600.

The previous prime is 1275131243. The next prime is 1275131267. The reversal of 1275131255 is 5521315721.

It is an interprime number because it is at equal distance from previous prime (1275131243) and next prime (1275131267).

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

It is not a de Polignac number, because 1275131255 - 2⁶ = 1275131191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135416 + ... + 144525.

It is an arithmetic number, because the mean of its divisors is an integer number (191480328).

Almost surely, 2^1275131255 is an apocalyptic number.

1275131255 is a deficient number, since it is larger than the sum of its proper divisors (256711369).

1275131255 is an equidigital number, since it uses as much as digits as its factorization.

1275131255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280857.

The product of its digits is 10500, while the sum is 32.

The square root of 1275131255 is about 35708.9800330393. The cubic root of 1275131255 is about 1084.3886509035.

Adding to 1275131255 its reverse (5521315721), we get a palindrome (6796446976).

The spelling of 1275131255 in words is "one billion, two hundred seventy-five million, one hundred thirty-one thousand, two hundred fifty-five".