1227134467855 has 8 divisors (see below), whose sum is σ = 1472567418432. Its totient is φ = 981703536288.

The previous prime is 1227134467849. The next prime is 1227134467877. The reversal of 1227134467855 is 5587644317221.

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 1227134467855 - 2²³ = 1227126079247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1227134467796 and 1227134467805.

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, 1739674 + ... + 2341096.

It is an arithmetic number, because the mean of its divisors is an integer number (184070927304).

Almost surely, 2^{1227134467855} is an apocalyptic number.

1227134467855 is a deficient number, since it is larger than the sum of its proper divisors (245432950577).

1227134467855 is an equidigital number, since it uses as much as digits as its factorization.

1227134467855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009505.

The product of its digits is 11289600, while the sum is 55.

The spelling of 1227134467855 in words is "one trillion, two hundred twenty-seven billion, one hundred thirty-four million, four hundred sixty-seven thousand, eight hundred fifty-five".