1121782412 has 12 divisors (see below), whose sum is σ = 1970208240. Its totient is φ = 558865776.

The previous prime is 1121782397. The next prime is 1121782423. The reversal of 1121782412 is 2142871211.

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 3 ways as a sum of consecutive naturals, for example, 505112 + ... + 507327.

It is an arithmetic number, because the mean of its divisors is an integer number (164184020).

Almost surely, 2^1121782412 is an apocalyptic number.

It is an amenable number.

1121782412 is a deficient number, since it is larger than the sum of its proper divisors (848425828).

1121782412 is a wasteful number, since it uses less digits than its factorization.

1121782412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012720 (or 1012718 counting only the distinct ones).

The product of its digits is 1792, while the sum is 29.

The square root of 1121782412 is about 33493.0203475291. The cubic root of 1121782412 is about 1039.0494309926.

The spelling of 1121782412 in words is "one billion, one hundred twenty-one million, seven hundred eighty-two thousand, four hundred twelve".