1121828168 has 16 divisors (see below), whose sum is σ = 2134823280. Its totient is φ = 552541968.

The previous prime is 1121828167. The next prime is 1121828171. The reversal of 1121828168 is 8618281211.

It is not an unprimeable number, because it can be changed into a prime (1121828167) 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, 1045946 + ... + 1047017.

It is an arithmetic number, because the mean of its divisors is an integer number (133426455).

Almost surely, 2^1121828168 is an apocalyptic number.

It is an amenable number.

1121828168 is a deficient number, since it is larger than the sum of its proper divisors (1012995112).

1121828168 is a wasteful number, since it uses less digits than its factorization.

1121828168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2093036 (or 2093032 counting only the distinct ones).

The product of its digits is 12288, while the sum is 38.

The square root of 1121828168 is about 33493.7034082527. The cubic root of 1121828168 is about 1039.0635579448.

The spelling of 1121828168 in words is "one billion, one hundred twenty-one million, eight hundred twenty-eight thousand, one hundred sixty-eight".