1275262655 has 8 divisors (see below), whose sum is σ = 1579680384. Its totient is φ = 987300000.

The previous prime is 1275262649. The next prime is 1275262699. The reversal of 1275262655 is 5562625721.

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

It is not a de Polignac number, because 1275262655 - 2¹² = 1275258559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4113596 + ... + 4113905.

It is an arithmetic number, because the mean of its divisors is an integer number (197460048).

Almost surely, 2^1275262655 is an apocalyptic number.

1275262655 is a deficient number, since it is larger than the sum of its proper divisors (304417729).

1275262655 is an equidigital number, since it uses as much as digits as its factorization.

1275262655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8227537.

The product of its digits is 252000, while the sum is 41.

The square root of 1275262655 is about 35710.8198589727. The cubic root of 1275262655 is about 1084.4258977292.

The spelling of 1275262655 in words is "one billion, two hundred seventy-five million, two hundred sixty-two thousand, six hundred fifty-five".