1227055 has 4 divisors (see below), whose sum is σ = 1472472. Its totient is φ = 981640.

The previous prime is 1227053. The next prime is 1227101. The reversal of 1227055 is 5507221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5507221 = 229 ⋅24049.

It is not a de Polignac number, because 1227055 - 2¹ = 1227053 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1227053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122701 + ... + 122710.

It is an arithmetic number, because the mean of its divisors is an integer number (368118).

2^1227055 is an apocalyptic number.

1227055 is a deficient number, since it is larger than the sum of its proper divisors (245417).

1227055 is an equidigital number, since it uses as much as digits as its factorization.

1227055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245416.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 1227055 is about 1107.7251464149. The cubic root of 1227055 is about 107.0585465836.

The spelling of 1227055 in words is "one million, two hundred twenty-seven thousand, fifty-five".