1275683855 has 8 divisors (see below), whose sum is σ = 1549264752. Its totient is φ = 1008251008.

The previous prime is 1275683797. The next prime is 1275683869. The reversal of 1275683855 is 5583865721.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1275683855 - 2¹² = 1275679759 is a prime.

It is a super-2 number, since 2×1275683855² = 3254738595815322050, which contains 22 as substring.

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, 1536554 + ... + 1537383.

It is an arithmetic number, because the mean of its divisors is an integer number (193658094).

Almost surely, 2^1275683855 is an apocalyptic number.

1275683855 is a deficient number, since it is larger than the sum of its proper divisors (273580897).

1275683855 is an equidigital number, since it uses as much as digits as its factorization.

1275683855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3074025.

The product of its digits is 2016000, while the sum is 50.

The square root of 1275683855 is about 35716.7167444042. The cubic root of 1275683855 is about 1084.5452744208.

The spelling of 1275683855 in words is "one billion, two hundred seventy-five million, six hundred eighty-three thousand, eight hundred fifty-five".