1171228 has 6 divisors (see below), whose sum is σ = 2049656. Its totient is φ = 585612.

The previous prime is 1171207. The next prime is 1171231. The reversal of 1171228 is 8221711.

It is a junction number, because it is equal to n+sod(n) for n = 1171199 and 1171208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 146400 + ... + 146407.

2^1171228 is an apocalyptic number.

It is an amenable number.

1171228 is a deficient number, since it is larger than the sum of its proper divisors (878428).

1171228 is a wasteful number, since it uses less digits than its factorization.

1171228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292811 (or 292809 counting only the distinct ones).

The product of its digits is 224, while the sum is 22.

The square root of 1171228 is about 1082.2328769724. The cubic root of 1171228 is about 105.4096768909.

Adding to 1171228 its reverse (8221711), we get a palindrome (9392939).

The spelling of 1171228 in words is "one million, one hundred seventy-one thousand, two hundred twenty-eight".