1121788324 has 24 divisors (see below), whose sum is σ = 2049478200. Its totient is φ = 536578560.

The previous prime is 1121788319. The next prime is 1121788357. The reversal of 1121788324 is 4238871211.

It can be written as a sum of positive squares in 4 ways, for example, as 190440000 + 931348324 = 13800^2 + 30518^2 .

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, 31717 + ... + 57004.

It is an arithmetic number, because the mean of its divisors is an integer number (85394925).

Almost surely, 2^1121788324 is an apocalyptic number.

It is an amenable number.

1121788324 is a deficient number, since it is larger than the sum of its proper divisors (927689876).

1121788324 is a wasteful number, since it uses less digits than its factorization.

1121788324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88863 (or 88861 counting only the distinct ones).

The product of its digits is 21504, while the sum is 37.

The square root of 1121788324 is about 33493.1086046070. The cubic root of 1121788324 is about 1039.0512563167.

The spelling of 1121788324 in words is "one billion, one hundred twenty-one million, seven hundred eighty-eight thousand, three hundred twenty-four".