1121872304 has 20 divisors (see below), whose sum is σ = 2484146064. Its totient is φ = 480802368.

The previous prime is 1121872273. The next prime is 1121872319. The reversal of 1121872304 is 4032781211.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5008247 + ... + 5008470.

Almost surely, 2^1121872304 is an apocalyptic number.

1121872304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1121872304 is an abundant number, since it is smaller than the sum of its proper divisors (1362273760).

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

1121872304 is a wasteful number, since it uses less digits than its factorization.

1121872304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10016732 (or 10016726 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 1121872304 is about 33494.3622718809. The cubic root of 1121872304 is about 1039.0771843655.

The spelling of 1121872304 in words is "one billion, one hundred twenty-one million, eight hundred seventy-two thousand, three hundred four".