1138227 has 8 divisors (see below), whose sum is σ = 1566720. Its totient is φ = 734280.

The previous prime is 1138213. The next prime is 1138237. The reversal of 1138227 is 7228311.

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

It is not a de Polignac number, because 1138227 - 2¹⁰ = 1137203 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

1138227 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1138197 and 1138206.

It is not an unprimeable number, because it can be changed into a prime (1138237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6027 + ... + 6212.

It is an arithmetic number, because the mean of its divisors is an integer number (195840).

2^1138227 is an apocalyptic number.

1138227 is a deficient number, since it is larger than the sum of its proper divisors (428493).

1138227 is a wasteful number, since it uses less digits than its factorization.

1138227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12273.

The product of its digits is 672, while the sum is 24.

The square root of 1138227 is about 1066.8772188026. The cubic root of 1138227 is about 104.4102080416.

The spelling of 1138227 in words is "one million, one hundred thirty-eight thousand, two hundred twenty-seven".