1121175888 has 40 divisors (see below), whose sum is σ = 3310139328. Its totient is φ = 320335872.

The previous prime is 1121175859. The next prime is 1121175901. The reversal of 1121175888 is 8885711211.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1668081 + ... + 1668752.

Almost surely, 2^1121175888 is an apocalyptic number.

It is an amenable number.

1121175888 is an abundant number, since it is smaller than the sum of its proper divisors (2188963440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121175888 is a wasteful number, since it uses less digits than its factorization.

1121175888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3336851 (or 3336845 counting only the distinct ones).

The product of its digits is 35840, while the sum is 42.

The square root of 1121175888 is about 33483.9646398093. The cubic root of 1121175888 is about 1038.8621332230.

The spelling of 1121175888 in words is "one billion, one hundred twenty-one million, one hundred seventy-five thousand, eight hundred eighty-eight".