1117381228 has 6 divisors (see below), whose sum is σ = 1955417156. Its totient is φ = 558690612.

The previous prime is 1117381217. The next prime is 1117381231. The reversal of 1117381228 is 8221837111.

It is a junction number, because it is equal to n+sod(n) for n = 1117381193 and 1117381202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139672650 + ... + 139672657.

Almost surely, 2^1117381228 is an apocalyptic number.

It is an amenable number.

1117381228 is a deficient number, since it is larger than the sum of its proper divisors (838035928).

1117381228 is a wasteful number, since it uses less digits than its factorization.

1117381228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279345311 (or 279345309 counting only the distinct ones).

The product of its digits is 5376, while the sum is 34.

The square root of 1117381228 is about 33427.2527737474. The cubic root of 1117381228 is about 1037.6887864326.

The spelling of 1117381228 in words is "one billion, one hundred seventeen million, three hundred eighty-one thousand, two hundred twenty-eight".