1172227 has 12 divisors (see below), whose sum is σ = 1395360. Its totient is φ = 981456.

The previous prime is 1172207. The next prime is 1172233. The reversal of 1172227 is 7222711.

It is a de Polignac number, because none of the positive numbers 2^k-1172227 is a prime.

It is a super-2 number, since 2×1172227² = 2748232279058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1172198 and 1172207.

It is not an unprimeable number, because it can be changed into a prime (1172207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2049 + ... + 2557.

It is an arithmetic number, because the mean of its divisors is an integer number (116280).

2^1172227 is an apocalyptic number.

1172227 is a deficient number, since it is larger than the sum of its proper divisors (223133).

1172227 is an equidigital number, since it uses as much as digits as its factorization.

1172227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570 (or 563 counting only the distinct ones).

The product of its digits is 392, while the sum is 22.

The square root of 1172227 is about 1082.6943243594. The cubic root of 1172227 is about 105.4396381344.

Adding to 1172227 its reverse (7222711), we get a palindrome (8394938).

It can be divided in two parts, 11 and 72227, that multiplied together give a palindrome (794497).

The spelling of 1172227 in words is "one million, one hundred seventy-two thousand, two hundred twenty-seven".